| Genus | Species | Description | First record | Squares | Threat level | |
|---|---|---|---|---|---|---|
| Family Linyphiidae (94x) | ||||||
| Abacoproeces (1x) | Abacoproeces saltuum | (L. Koch, 1872) | 1933, Lužná (okr. Rakovník) | 74 | Not endangered | |
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Aculepeira (1x) | Aculepeira ceropegia | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 206 | Not endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Aelurillus (1x) | Aelurillus v-insignitus | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 160 | Not endangered | |
Family Liocranidae (5x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Agroeca (3x) | Agroeca brunnea | (Blackwall, 1833) | 1894, Písek (okr. Písek), č. o. Budějovické Předměstí | 200 | Not endangered | |
| Agroeca cuprea | Menge, 1873 | 1898, Praha, č. o. Praha 4 | 78 | Almost threatened | ||
| Agroeca proxima | (O. Pickard-Cambridge, 1871) | 1933, Lužná (okr. Rakovník) | 53 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Agyneta (5x) | Agyneta affinis | (Kulczyński, 1898) | 1940, Senorady | 62 | Not endangered | |
| Agyneta cauta | (O. Pickard-Cambridge, 1903) | 1947, Jindřichův Hradec, č. o. Jindřichův Hradec I | 35 | Almost threatened | ||
| Agyneta rurestris | (C. L. Koch, 1836) | 1892, Špindlerův Mlýn | 250 | Not endangered | ||
| Agyneta saxatilis | (Blackwall, 1844) | 08/15/1934, Hatín, č. o. Roseč | 124 | Not endangered | ||
| Agyneta subtilis | (O. Pickard-Cambridge, 1863) | 1933, Lužná (okr. Rakovník) | 31 | Endangered | ||
Family Lycosidae (21x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Alopecosa (6x) | Alopecosa farinosa | (Herman, 1879) | 1894, Roztoky | 100 | Not endangered | |
| Alopecosa inquilina | (Clerck, 1757) | 11/23/1873, Františkovy Lázně | 44 | Almost threatened | ||
| Alopecosa pulverulenta | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 279 | Not endangered | ||
| Alopecosa sulzeri | (Pavesi, 1873) | 1894, Střelice (okr. Brno-venkov) | 40 | Endangered | ||
| Alopecosa taeniata | (C. L. Koch, 1835) | 1859, Praha, č. o. Praha 1 | 122 | Not endangered | ||
| Alopecosa trabalis | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 100 | Not endangered | ||
Family Amaurobiidae (3x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Amaurobius (2x) | Amaurobius fenestralis | (Ström, 1768) | 1859, Praha, č. o. Praha 1 | 171 | Not endangered | |
| Amaurobius jugorum | L. Koch, 1868 | 1934, Luže, č. o. Bělá | 54 | Endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Anguliphantes (1x) | Anguliphantes angulipalpis | (Westring, 1851) | 11/23/1873, Františkovy Lázně | 47 | Almost threatened | |
Family Anyphaenidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Anyphaena (1x) | Anyphaena accentuata | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 141 | Not endangered | |
Family Liocranidae (5x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Apostenus (1x) | Apostenus fuscus | Westring, 1851 | 1894, Brno, č. o. Brno I | 91 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Araeoncus (1x) | Araeoncus humilis | (Blackwall, 1841) | 08/15/1934, Hatín, č. o. Roseč | 115 | Not endangered | |
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Araneus (2x) | Araneus diadematus | Clerck, 1757 | 1859, Praha, č. o. Praha 1 | 276 | Not endangered | |
| Araneus sturmi | (Hahn, 1831) | 1869, Lužná (okr. Rakovník) | 132 | Almost threatened | ||
| Araniella (2x) | Araniella cucurbitina | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 227 | Not endangered | |
| Araniella opisthographa | (Kulczyński, 1905) | 11/30/1972, Nový Bydžov, č. o. Nová Skřeněř | 75 | Not endangered | ||
Family Lycosidae (21x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Arctosa (2x) | Arctosa figurata | (Simon, 1876) | 05/26/1959, Srbsko | 43 | Endangered | |
| Arctosa lutetiana | (Simon, 1876) | 1894, Praha, č. o. Praha 4 | 34 | Endangered | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Asianellus (1x) | Asianellus festivus | (C. L. Koch, 1834) | 11/23/1873, Františkovy Lázně | 61 | Almost threatened | |
| Attulus (1x) | Attulus pubescens | (Fabricius, 1775) | 1859, Praha, č. o. Praha 1 | 93 | Not endangered | |
Family Atypidae (3x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Atypus (3x) | Atypus affinis | Eichwald, 1830 | 1938, Rohy | 50 | Almost threatened | |
| Atypus muralis | Bertkau, 1890 | 1898, Praha, č. o. Praha 4 | 16 | Strongly endangered | ||
| Atypus piceus | (Sulzer, 1776) | 07/15/1934, Dobrkov | 41 | Endangered | ||
Family Lycosidae (21x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Aulonia (1x) | Aulonia albimana | (Walckenaer, 1805) | 1894, Brno, č. o. Brno I | 221 | Not endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Ballus (1x) | Ballus chalybeius | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 134 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Bassaniodes (1x) | Bassaniodes robustus | (Hahn, 1832) | 1869, Lužná (okr. Rakovník) | 39 | Endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Bathyphantes (3x) | Bathyphantes gracilis | (Blackwall, 1841) | 08/15/1934, Hatín, č. o. Roseč | 161 | Not endangered | |
| Bathyphantes nigrinus | (Westring, 1851) | 11/23/1873, Františkovy Lázně | 174 | Not endangered | ||
| Bathyphantes parvulus | (Westring, 1851) | 1940, Mohelno | 119 | Not endangered | ||
| Bolyphantes (1x) | Bolyphantes alticeps | (Sundevall, 1833) | 11/23/1873, Františkovy Lázně | 93 | Not endangered | |
Family Cicurinidae (2x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Brommella (1x) | Brommella falcigera | (Balogh, 1935) | 1940, Mohelno | 9 | Strongly endangered | |
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Callilepis (1x) | Callilepis schuszteri | (Herman, 1879) | 05/27/1932, Brno, č. o. Brno V | 32 | Endangered | |
Family Amaurobiidae (3x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Callobius (1x) | Callobius claustrarius | (Hahn, 1833) | 1859, Jílové, č. o. Sněžník | 185 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Centromerita (1x) | Centromerita bicolor | (Blackwall, 1833) | 11/23/1873, Františkovy Lázně | 91 | Not endangered | |
| Centromerus (4x) | Centromerus incilium | (L. Koch, 1881) | 1940, Jindřichův Hradec, č. o. Jindřichův Hradec I | 52 | Endangered | |
| Centromerus leruthi | Fage, 1933 | 05/15/1940, Kardašova Řečice | 7 | Strongly endangered | ||
| Centromerus serratus | (O. Pickard-Cambridge, 1875) | 10/15/1958, Nová Pec, č. o. Želnava | 20 | Almost threatened | ||
| Centromerus sylvaticus | (Blackwall, 1841) | 1892, Harrachov, č. o. Nový Svět | 219 | Not endangered | ||
| Ceratinella (4x) | Ceratinella brevipes | (Westring, 1851) | 08/15/1935, Hatín, č. o. Roseč | 57 | Not endangered | |
| Ceratinella brevis | (Wider, 1834) | 11/23/1873, Františkovy Lázně | 199 | Not endangered | ||
| Ceratinella major | Kulczyński, 1894 | 08/02/1968, Lovosice, č. o. Bílinka | 34 | Almost threatened | ||
| Ceratinella scabrosa | (O. Pickard-Cambridge, 1871) | 08/15/1935, Hatín, č. o. Roseč | 43 | Not endangered | ||
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Cercidia (1x) | Cercidia prominens | (Westring, 1851) | 11/23/1873, Františkovy Lázně | 67 | Not endangered | |
Family Cheiracanthiidae (2x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Cheiracanthium (2x) | Cheiracanthium erraticum | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 107 | Not endangered | |
| Cheiracanthium montanum | L. Koch, 1877 | 04/10/1961, Brno, č. o. Brno III | 6 | Strongly endangered | ||
Family Cicurinidae (2x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Cicurina (1x) | Cicurina cicur | (Fabricius, 1793) | 1886, Železná Ruda | 212 | Not endangered | |
Family Clubionidae (10x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Clubiona (9x) | Clubiona brevipes | Blackwall, 1841 | 11/23/1873, Františkovy Lázně | 49 | Almost threatened | |
| Clubiona caerulescens | L. Koch, 1867 | 1894, Všenory | 68 | Not endangered | ||
| Clubiona comta | C. L. Koch, 1839 | 11/23/1873, Františkovy Lázně | 76 | Not endangered | ||
| Clubiona diversa | O. Pickard-Cambridge, 1862 | 1929, Lednice | 66 | Almost threatened | ||
| Clubiona marmorata | L. Koch, 1866 | 1894, Brno, č. o. Brno I | 19 | Endangered | ||
| Clubiona neglecta | O. Pickard-Cambridge, 1862 | 1886, Strážný | 98 | Not endangered | ||
| Clubiona subsultans | Thorell, 1875 | 11/23/1873, Františkovy Lázně | 71 | Almost threatened | ||
| Clubiona subtilis | L. Koch, 1867 | 1941, Lišany | 49 | Almost threatened | ||
| Clubiona terrestris | Westring, 1851 | 11/23/1873, Františkovy Lázně | 148 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Cnephalocotes (1x) | Cnephalocotes obscurus | (Blackwall, 1834) | 11/23/1873, Františkovy Lázně | 73 | Not endangered | |
Family Agelenidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Coelotes (1x) | Coelotes terrestris | (Wider, 1834) | 1859, Praha, č. o. Praha 1 | 284 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Coriarachne (1x) | Coriarachne depressa | (C. L. Koch, 1837) | 11/23/1873, Františkovy Lázně | 57 | Almost threatened | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Crustulina (1x) | Crustulina guttata | (Wider, 1834) | 11/23/1873, Františkovy Lázně | 96 | Not endangered | |
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Cyclosa (1x) | Cyclosa conica | (Pallas, 1772) | 1859, Praha, č. o. Praha 1 | 147 | Not endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Dendryphantes (1x) | Dendryphantes rudis | (Sundevall, 1833) | 1859, Praha, č. o. Praha 1 | 74 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Diaea (1x) | Diaea dorsata | (Fabricius, 1777) | 1859, Praha, č. o. Praha 1 | 205 | Not endangered | |
Family Dictynidae (3x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Dictyna (2x) | Dictyna arundinacea | (Linnaeus, 1758) | 1859, Praha, č. o. Praha 1 | 154 | Not endangered | |
| Dictyna uncinata | Thorell, 1856 | 1929, Písek (okr. Písek), č. o. Nový Dvůr | 119 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Dicymbium (1x) | Dicymbium nigrum | (Blackwall, 1834) | 11/23/1873, Františkovy Lázně | 141 | Not endangered | |
| Diplocephalus (2x) | Diplocephalus latifrons | (O. Pickard-Cambridge, 1863) | 11/23/1873, Františkovy Lázně | 163 | Not endangered | |
| Diplocephalus picinus | (Blackwall, 1841) | 08/15/1934, Hatín, č. o. Roseč | 160 | Not endangered | ||
| Diplostyla (1x) | Diplostyla concolor | (Wider, 1834) | 11/23/1873, Františkovy Lázně | 278 | Not endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Dipoena (2x) | Dipoena braccata | (C. L. Koch, 1841) | 1940, Mohelno | 7 | Endangered | |
| Dipoena melanogaster | (C. L. Koch, 1837) | 1889, Křivoklát | 92 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Dismodicus (1x) | Dismodicus bifrons | (Blackwall, 1841) | 08/15/1934, Hatín, č. o. Roseč | 133 | Not endangered | |
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Drassodes (2x) | Drassodes lapidosus | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 149 | Not endangered | |
| Drassodes pubescens | (Thorell, 1856) | 11/23/1873, Františkovy Lázně | 168 | Not endangered | ||
| Drassyllus (3x) | Drassyllus praeficus | (L. Koch, 1866) | 11/23/1873, Františkovy Lázně | 119 | Not endangered | |
| Drassyllus pusillus | (C. L. Koch, 1833) | 11/23/1873, Františkovy Lázně | 172 | Not endangered | ||
| Drassyllus villicus | (Thorell, 1875) | 05/27/1932, Brno, č. o. Brno V | 47 | Endangered | ||
Family Dysderidae (4x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Dysdera (1x) | Dysdera erythrina | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 62 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Ebrechtella (1x) | Ebrechtella tricuspidata | (Fabricius, 1775) | 05/17/1936, Pouzdřany | 82 | Not endangered | |
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Echemus (1x) | Echemus angustifrons | (Westring, 1861) | 06/15/1936, Mohelno | 18 | Endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Enoplognatha (2x) | Enoplognatha ovata | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 261 | Not endangered | |
| Enoplognatha thoracica | (Hahn, 1833) | 1894, Roztoky | 120 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Entelecara (1x) | Entelecara acuminata | (Wider, 1834) | 11/23/1873, Františkovy Lázně | 92 | Not endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Episinus (1x) | Episinus truncatus | Latreille, 1809 | 1859, Praha, č. o. Praha 1 | 48 | Almost threatened | |
Family Agelenidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Eratigena (1x) | Eratigena agrestis | (Walckenaer, 1802) | 08/27/1960, Praha, č. o. Praha 5 | 64 | Not endangered | |
Family Eresidae (2x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Eresus (2x) | Eresus kollari | Rossi, 1846 | 1866, Ctiněves | 34 | Endangered | |
| Eresus sandaliatus | (Martini & Goeze, 1778) | 06/12/1982, Kadaň, č. o. Úhošťany | 5 | Criticaly endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Erigone (2x) | Erigone atra | Blackwall, 1833 | 11/23/1873, Františkovy Lázně | 278 | Not endangered | |
| Erigone dentipalpis | (Wider, 1834) | 11/23/1873, Františkovy Lázně | 210 | Not endangered | ||
| Erigonella (1x) | Erigonella hiemalis | (Blackwall, 1841) | 11/23/1873, Františkovy Lázně | 91 | Not endangered | |
| Erigonoplus (1x) | Erigonoplus jarmilae | (Miller, 1943) | 1940, Mohelno | 22 | Endangered | |
Family Mimetidae (2x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Ero (2x) | Ero aphana | (Walckenaer, 1802) | 1894, Brno, č. o. Brno III | 55 | Almost threatened | |
| Ero furcata | (Villers, 1789) | 11/23/1873, Františkovy Lázně | 151 | Not endangered | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Euophrys (1x) | Euophrys frontalis | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 171 | Not endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Euryopis (2x) | Euryopis flavomaculata | (C. L. Koch, 1836) | 08/15/1934, Hatín, č. o. Roseč | 140 | Not endangered | |
| Euryopis quinqueguttata | Thorell, 1875 | 1940, Mohelno | 15 | Strongly endangered | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Evarcha (3x) | Evarcha arcuata | (Clerck, 1757) | 11/23/1873, Františkovy Lázně | 282 | Not endangered | |
| Evarcha falcata | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 213 | Not endangered | ||
| Evarcha laetabunda | (C. L. Koch, 1846) | 1931, Brno, č. o. Brno III | 40 | Endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Floronia (1x) | Floronia bucculenta | (Clerck, 1757) | 1889, Křivoklát | 93 | Not endangered | |
| Frontinellina (1x) | Frontinellina frutetorum | (C. L. Koch, 1835) | 1940, Mohelno | 14 | Strongly endangered | |
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Gibbaranea (2x) | Gibbaranea bituberculata | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 4 | 50 | Almost threatened | |
| Gibbaranea gibbosa | (Walckenaer, 1802) | 11/30/1972, Prasek | 46 | Endangered | ||
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Gnaphosa (3x) | Gnaphosa bicolor | (Hahn, 1833) | 1894, Praha, č. o. Praha 5 | 34 | Endangered | |
| Gnaphosa lucifuga | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 46 | Almost threatened | ||
| Gnaphosa lugubris | (C. L. Koch, 1839) | 1894, Bílovice nad Svitavou | 33 | Almost threatened | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Gonatium (1x) | Gonatium paradoxum | (L. Koch, 1869) | 08/15/1934, Hatín, č. o. Roseč | 34 | Almost threatened | |
Family Hahniidae (3x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Hahnia (3x) | Hahnia helveola | Simon, 1875 | 05/15/1940, Kardašova Řečice | 33 | Almost threatened | |
| Hahnia nava | (Blackwall, 1841) | 11/23/1873, Františkovy Lázně | 92 | Not endangered | ||
| Hahnia pusilla | C. L. Koch, 1841 | 05/11/1900, Sloup | 111 | Not endangered | ||
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Haplodrassus (5x) | Haplodrassus kulczynskii | Lohmander, 1942 | 1949, Mohelno | 28 | Endangered | |
| Haplodrassus signifer | (C. L. Koch, 1839) | 11/23/1873, Františkovy Lázně | 202 | Not endangered | ||
| Haplodrassus silvestris | (Blackwall, 1833) | 1894, Nový Jáchymov | 148 | Not endangered | ||
| Haplodrassus soerenseni | (Strand, 1900) | 1970, Sýkořice | 35 | Almost threatened | ||
| Haplodrassus umbratilis | (L. Koch, 1866) | 06/19/1932, Pavlov (okr. Břeclav) | 67 | Not endangered | ||
Family Dysderidae (4x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Harpactea (3x) | Harpactea hombergi | (Scopoli, 1763) | 1929, Křivoklát | 94 | Not endangered | |
| Harpactea lepida | (C. L. Koch, 1838) | 1886, Železná Ruda | 216 | Not endangered | ||
| Harpactea rubicunda | (C. L. Koch, 1838) | 1859, Praha, č. o. Praha 1 | 158 | Not endangered | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Heliophanus (2x) | Heliophanus cupreus | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 175 | Not endangered | |
| Heliophanus flavipes | (Hahn, 1832) | 04/03/1930, Pouzdřany | 104 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Helophora (1x) | Helophora insignis | (Blackwall, 1841) | 11/23/1873, Františkovy Lázně | 99 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Heriaeus (1x) | Heriaeus oblongus | Simon, 1918 | 1894, Praha, č. o. Praha 4 | 7 | Strongly endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Heterotheridion (1x) | Heterotheridion nigrovariegatum | (Simon, 1873) | 1894, Praha, č. o. Praha 4 | 28 | Endangered | |
Family Agelenidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Histopona (1x) | Histopona torpida | (C. L. Koch, 1837) | 11/23/1873, Františkovy Lázně | 231 | Not endangered | |
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Hypsosinga (3x) | Hypsosinga albovittata | (Westring, 1851) | 11/23/1873, Františkovy Lázně | 41 | Almost threatened | |
| Hypsosinga pygmaea | (Sundevall, 1831) | 11/23/1873, Františkovy Lázně | 53 | Almost threatened | ||
| Hypsosinga sanguinea | (C. L. Koch, 1844) | 1886, Srní, č. o. Modrava | 127 | Not endangered | ||
Family Agelenidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Inermocoelotes (1x) | Inermocoelotes inermis | (L. Koch, 1855) | 1889, Hořovice | 197 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Ipa (1x) | Ipa keyserlingi | (Ausserer, 1867) | 1889, Křivoklát | 37 | Endangered | |
| Jacksonella (1x) | Jacksonella falconeri | (Jackson, 1908) | 04/23/1971, Kostomlaty pod Milešovkou | 1 | Missing | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Lasaeola (2x) | Lasaeola coracina | (C. L. Koch, 1837) | 1940, Mohelno | 9 | Strongly endangered | |
| Lasaeola tristis | (Hahn, 1833) | 11/23/1873, Františkovy Lázně | 42 | Almost threatened | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Lasiargus (1x) | Lasiargus hirsutus | (Menge, 1869) | 06/16/1970, Český Krumlov, č. o. Vyšný | 10 | Endangered | |
| Lepthyphantes (2x) | Lepthyphantes leprosus | (Ohlert, 1865) | 1886, Nýrsko | 97 | Not endangered | |
| Lepthyphantes minutus | (Blackwall, 1833) | 11/23/1873, Františkovy Lázně | 77 | Not endangered | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Leptorchestes (1x) | Leptorchestes berolinensis | (C. L. Koch, 1846) | 1894, Brno, č. o. Brno IV | 16 | Endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Linyphia (2x) | Linyphia hortensis | Sundevall, 1830 | 11/23/1873, Františkovy Lázně | 188 | Not endangered | |
| Linyphia triangularis | (Clerck, 1757) | 1934, Unhošť, č. o. Malé Kyšice | 283 | Not endangered | ||
Family Liocranidae (5x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Liocranum (1x) | Liocranum rupicola | (Walckenaer, 1830) | 1866, Děčín, č. o. Děčín I | 84 | Not endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Macaroeris (1x) | Macaroeris nidicolens | (Walckenaer, 1802) | 06/20/1961, Mohelno | 36 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Macrargus (1x) | Macrargus rufus | (Wider, 1834) | 11/23/1873, Františkovy Lázně | 160 | Not endangered | |
Family Araneidae (13x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Mangora (1x) | Mangora acalypha | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 239 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Mansuphantes (1x) | Mansuphantes mansuetus | (Thorell, 1875) | 1933, Lužná (okr. Rakovník) | 105 | Not endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Marpissa (1x) | Marpissa nivoyi | (Lucas, 1846) | 10/15/1945, Mohelno | 25 | Endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Maso (1x) | Maso sundevalli | (Westring, 1851) | 11/23/1873, Františkovy Lázně | 159 | Not endangered | |
| Megalepthyphantes (1x) | Megalepthyphantes collinus | (L. Koch, 1872) | 09/15/1961, Praha, č. o. Praha 5 | 11 | Strongly endangered | |
Family Tetragnathidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Metellina (2x) | Metellina merianae | (Scopoli, 1763) | 1866, Děčín, č. o. Děčín I | 132 | Not endangered | |
| Metellina segmentata | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 233 | Not endangered | ||
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Micaria (2x) | Micaria fulgens | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 93 | Almost threatened | |
| Micaria pulicaria | (Sundevall, 1831) | 11/23/1873, Františkovy Lázně | 122 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Micrargus (2x) | Micrargus herbigradus | (Blackwall, 1854) | 1892, Harrachov, č. o. Nový Svět | 238 | Not endangered | |
| Micrargus subaequalis | (Westring, 1851) | 1940, Mohelno | 59 | Not endangered | ||
| Microlinyphia (1x) | Microlinyphia pusilla | (Sundevall, 1830) | 1866, Turnov | 189 | Not endangered | |
Family Sparassidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Micrommata (1x) | Micrommata virescens | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 163 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Microneta (1x) | Microneta viaria | (Blackwall, 1841) | 1886, Nýrsko | 230 | Not endangered | |
| Minicia (1x) | Minicia marginella | (Wider, 1834) | 01/01/1938, Lnáře, č. o. Tchořovice | 29 | Endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Misumena (1x) | Misumena vatia | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 220 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Nematogmus (1x) | Nematogmus sanguinolentus | (Walckenaer, 1841) | 1889, Nový Jáchymov | 37 | Endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Neon (1x) | Neon reticulatus | (Blackwall, 1853) | 1889, Hořovice | 131 | Not endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Neottiura (1x) | Neottiura bimaculata | (Linnaeus, 1767) | 1859, Praha, č. o. Praha 4 | 251 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Neriene (2x) | Neriene clathrata | (Sundevall, 1830) | 11/23/1873, Františkovy Lázně | 242 | Not endangered | |
| Neriene montana | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 119 | Not endangered | ||
Family Dictynidae (3x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Nigma (1x) | Nigma flavescens | (Walckenaer, 1830) | 11/23/1873, Františkovy Lázně | 104 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Oedothorax (1x) | Oedothorax apicatus | (Blackwall, 1850) | 11/23/1873, Františkovy Lázně | 176 | Not endangered | |
Family Oxyopidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Oxyopes (1x) | Oxyopes ramosus | (Martini & Goeze, 1778) | 1859, Praha, č. o. Praha 1 | 50 | Almost threatened | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Ozyptila (4x) | Ozyptila atomaria | (Panzer, 1801) | 1859, Praha, č. o. Praha 1 | 110 | Not endangered | |
| Ozyptila claveata | (Walckenaer, 1837) | 1894, Střelice (okr. Brno-venkov) | 86 | Almost threatened | ||
| Ozyptila praticola | (C. L. Koch, 1837) | 1859, Praha, č. o. Praha 1 | 118 | Not endangered | ||
| Ozyptila trux | (Blackwall, 1846) | 11/23/1873, Františkovy Lázně | 169 | Not endangered | ||
Family Tetragnathidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pachygnatha (3x) | Pachygnatha clercki | Sundevall, 1823 | 1894, Brno, č. o. Brno I | 188 | Not endangered | |
| Pachygnatha degeeri | Sundevall, 1830 | 1859, Praha, č. o. Praha 1 | 249 | Not endangered | ||
| Pachygnatha listeri | Sundevall, 1830 | 1859, Praha, č. o. Praha 1 | 230 | Not endangered | ||
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Paidiscura (1x) | Paidiscura pallens | (Blackwall, 1834) | 06/23/1971, Kostomlaty pod Milešovkou | 84 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Palliduphantes (1x) | Palliduphantes pallidus | (O. Pickard-Cambridge, 1871) | 1929, Pec pod Sněžkou | 139 | Not endangered | |
| Panamomops (2x) | Panamomops affinis | Miller & Kratochvíl, 1939 | 06/01/1939, Jindřichův Hradec, č. o. Jindřichův Hradec I | 22 | Endangered | |
| Panamomops mengei | Simon, 1926 | 1967, Zlaté Hory (okr. Bruntál), č. o. Rejvíz | 35 | Not endangered | ||
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Parasteatoda (2x) | Parasteatoda lunata | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 135 | Not endangered | |
| Parasteatoda simulans | (Thorell, 1875) | 1866, Mladá Boleslav, č. o. Mladá Boleslav I | 100 | Not endangered | ||
Family Lycosidae (21x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pardosa (8x) | Pardosa alacris | (C. L. Koch, 1833) | 04/19/1959, Hořešovice, č. o. Zichovec | 101 | Not endangered | |
| Pardosa bifasciata | (C. L. Koch, 1834) | 1894, Brno, č. o. Brno III | 55 | Endangered | ||
| Pardosa hortensis | (Thorell, 1872) | 1894, Střelice (okr. Brno-venkov) | 61 | Not endangered | ||
| Pardosa lugubris | (Walckenaer, 1802) | 1929, Pec pod Sněžkou | 362 | Not endangered | ||
| Pardosa palustris | (Linnaeus, 1758) | 11/23/1873, Františkovy Lázně | 227 | Not endangered | ||
| Pardosa pullata | (Clerck, 1757) | 11/23/1873, Františkovy Lázně | 296 | Not endangered | ||
| Pardosa riparia | (C. L. Koch, 1833) | 1859, Praha, č. o. Praha 1 | 123 | Not endangered | ||
| Pardosa saltans | Töpfer-Hofmann, 2000 | 05/26/1959, Srbsko | 42 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pelecopsis (2x) | Pelecopsis parallela | (Wider, 1834) | 1936, Červený Kostelec | 31 | Not endangered | |
| Pelecopsis radicicola | (L. Koch, 1872) | 1892, Harrachov, č. o. Nový Svět | 68 | Not endangered | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pellenes (1x) | Pellenes tripunctatus | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 4 | 49 | Almost threatened | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Peponocranium (1x) | Peponocranium orbiculatum | (O. Pickard-Cambridge, 1882) | 1941, Křivoklát | 20 | Strongly endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Philaeus (1x) | Philaeus chrysops | (Poda, 1761) | 1889, Hořovice | 34 | Endangered | |
Family Philodromidae (9x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Philodromus (5x) | Philodromus albidus | Kulczyński, 1911 | 1941, Lišany | 82 | Not endangered | |
| Philodromus aureolus | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 135 | Not endangered | ||
| Philodromus cespitum | (Walckenaer, 1802) | 11/23/1873, Františkovy Lázně | 131 | Not endangered | ||
| Philodromus dispar | Walckenaer, 1826 | 1859, Praha, č. o. Praha 1 | 99 | Not endangered | ||
| Philodromus praedatus | O. Pickard-Cambridge, 1871 | 05/24/1958, Třeboň, č. o. Branná | 25 | Almost threatened | ||
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Phlegra (1x) | Phlegra fasciata | (Hahn, 1826) | 11/23/1873, Františkovy Lázně | 135 | Not endangered | |
Family Phrurolithidae (2x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Phrurolithus (2x) | Phrurolithus festivus | (C. L. Koch, 1835) | 11/23/1873, Františkovy Lázně | 236 | Not endangered | |
| Phrurolithus minimus | C. L. Koch, 1839 | 1894, Karlovy Vary | 31 | Endangered | ||
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Phylloneta (1x) | Phylloneta impressa | (L. Koch, 1881) | 1886, Strážný | 203 | Not endangered | |
Family Pisauridae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pisaura (1x) | Pisaura mirabilis | (Clerck, 1757) | 1859, Praha, č. o. Praha 6 | 300 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pistius (1x) | Pistius truncatus | (Pallas, 1772) | 1859, Praha, č. o. Praha 1 | 54 | Almost threatened | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Platnickina (1x) | Platnickina tincta | (Walckenaer, 1802) | 11/23/1873, Františkovy Lázně | 155 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pocadicnemis (1x) | Pocadicnemis pumila | (Blackwall, 1841) | 08/15/1934, Hatín, č. o. Roseč | 157 | Not endangered | |
Family Clubionidae (10x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Porrhoclubiona (1x) | Porrhoclubiona genevensis | (L. Koch, 1866) | 07/10/1955, Pavlov (okr. Břeclav) | 10 | Criticaly endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Porrhomma (3x) | Porrhomma microphthalmum | (O. Pickard-Cambridge, 1871) | 1940, Adamov | 113 | Not endangered | |
| Porrhomma microps | (Roewer, 1931) | 05/23/1964, Dolní Věstonice | 32 | Not endangered | ||
| Porrhomma pygmaeum | (Blackwall, 1834) | 1894, Praha, č. o. Praha 5 | 79 | Not endangered | ||
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Psammitis (1x) | Psammitis ninnii | (Thorell, 1872) | 1937, Mohelno | 20 | Strongly endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Pseudeuophrys (1x) | Pseudeuophrys obsoleta | (Simon, 1868) | 06/15/1929, Pavlov (okr. Břeclav) | 14 | Endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Robertus (3x) | Robertus arundineti | (O. Pickard-Cambridge, 1871) | 11/23/1873, Františkovy Lázně | 151 | Not endangered | |
| Robertus lividus | (Blackwall, 1836) | 11/23/1873, Františkovy Lázně | 253 | Not endangered | ||
| Robertus neglectus | (O. Pickard-Cambridge, 1871) | 08/15/1934, Hatín, č. o. Roseč | 38 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Saloca (1x) | Saloca diceros | (O. Pickard-Cambridge, 1871) | 09/09/1959, Lipová-lázně, č. o. Horní Lipová | 58 | Not endangered | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Salticus (2x) | Salticus scenicus | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 131 | Not endangered | |
| Salticus zebraneus | (C. L. Koch, 1837) | 1894, Peruc | 106 | Not endangered | ||
Family Segestriidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Segestria (1x) | Segestria senoculata | (Linnaeus, 1758) | 1859, Praha, č. o. Praha 1 | 177 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Stemonyphantes (1x) | Stemonyphantes lineatus | (Linnaeus, 1758) | 1859, Praha, č. o. Praha 1 | 80 | Not endangered | |
| Syedra (1x) | Syedra gracilis | (Menge, 1869) | 08/01/1961, Tetín, č. o. Koda | 7 | Endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Synema (1x) | Synema globosum | (Fabricius, 1775) | 1894, Brno, č. o. Brno I | 77 | Almost threatened | |
Family Salticidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Talavera (1x) | Talavera aequipes | (O. Pickard-Cambridge, 1871) | 1894, Praha, č. o. Praha 5 | 65 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tapinocyba (2x) | Tapinocyba affinis | Lessert, 1907 | 08/15/1934, Hatín, č. o. Roseč | 63 | Not endangered | |
| Tapinocyba insecta | (L. Koch, 1869) | 1933, Lužná (okr. Rakovník) | 95 | Not endangered | ||
| Tapinopa (1x) | Tapinopa longidens | (Wider, 1834) | 1886, Nýrsko | 58 | Not endangered | |
Family Agelenidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tegenaria (2x) | Tegenaria ferruginea | (Panzer, 1804) | 1934, Sloupnice, č. o. Dolní Sloupnice | 146 | Not endangered | |
| Tegenaria silvestris | L. Koch, 1872 | 1886, Železná Ruda | 145 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tenuiphantes (5x) | Tenuiphantes cristatus | (Menge, 1866) | 08/15/1934, Hatín, č. o. Roseč | 162 | Not endangered | |
| Tenuiphantes flavipes | (Blackwall, 1854) | 07/08/1900, Sloup | 201 | Not endangered | ||
| Tenuiphantes mengei | (Kulczyński, 1887) | 1889, Nový Jáchymov | 179 | Not endangered | ||
| Tenuiphantes tenebricola | (Wider, 1834) | 1929, Pec pod Sněžkou | 198 | Not endangered | ||
| Tenuiphantes tenuis | (Blackwall, 1852) | 1930, Zlaté Hory (okr. Bruntál), č. o. Rejvíz | 86 | Not endangered | ||
Family Tetragnathidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tetragnatha (2x) | Tetragnatha obtusa | C. L. Koch, 1837 | 11/23/1873, Františkovy Lázně | 78 | Not endangered | |
| Tetragnatha pinicola | L. Koch, 1870 | 1875, Pec pod Sněžkou | 218 | Not endangered | ||
Family Agelenidae (7x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Textrix (1x) | Textrix denticulata | (Olivier, 1789) | 1894, Písek (okr. Písek), č. o. Budějovické Předměstí | 29 | Almost threatened | |
Family Philodromidae (9x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Thanatus (3x) | Thanatus atratus | Simon, 1875 | 1898, Praha, č. o. Praha 4 | 16 | Endangered | |
| Thanatus formicinus | (Clerck, 1757) | 11/23/1873, Františkovy Lázně | 75 | Almost threatened | ||
| Thanatus sabulosus | (Menge, 1875) | 1970, Sýkořice | 5 | Criticaly endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Theonina (1x) | Theonina cornix | (Simon, 1881) | 1940, Mohelno | 16 | Endangered | |
Family Theridiidae (22x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Theridion (2x) | Theridion pinastri | L. Koch, 1872 | 1894, Opolany, č. o. Oškobrh | 76 | Not endangered | |
| Theridion varians | Hahn, 1833 | 1929, Říčany (okr. Praha-vých.), č. o. Říčany | 171 | Not endangered | ||
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Thomisus (1x) | Thomisus onustus | Walckenaer, 1805 | 1859, Praha, č. o. Praha 4 | 28 | Endangered | |
Family Philodromidae (9x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tibellus (1x) | Tibellus oblongus | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 1 | 166 | Not endangered | |
Family Titanoecidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Titanoeca (1x) | Titanoeca quadriguttata | (Hahn, 1833) | 1866, Teplice | 110 | Not endangered | |
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tmarus (1x) | Tmarus piger | (Walckenaer, 1802) | 1859, Praha, č. o. Praha 4 | 48 | Endangered | |
Family Lathyidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Tolokonniella (1x) | Tolokonniella stigmatisata | (Menge, 1869) | 1929, Písek (okr. Písek), č. o. Nový Dvůr | 18 | Endangered | |
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Trachyzelotes (1x) | Trachyzelotes pedestris | (C. L. Koch, 1837) | 1889, Křivoklát | 92 | Not endangered | |
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Trematocephalus (1x) | Trematocephalus cristatus | (Wider, 1834) | 1933, Zbečno | 153 | Not endangered | |
| Trichoncus (1x) | Trichoncus auritus | (L. Koch, 1869) | 07/21/1938, Pouzdřany | 18 | Endangered | |
| Trichoncyboides (1x) | Trichoncyboides simoni | (Lessert, 1904) | 04/30/1975, Kuničky | 2 | Endangered | |
| Trichopterna (1x) | Trichopterna cito | (O. Pickard-Cambridge, 1873) | 1940, Mohelno | 49 | Endangered | |
Family Lycosidae (21x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Trochosa (2x) | Trochosa robusta | (Simon, 1876) | 1889, Křivoklát | 64 | Almost threatened | |
| Trochosa terricola | Thorell, 1856 | 11/23/1873, Františkovy Lázně | 344 | Not endangered | ||
Family Linyphiidae (94x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Typhochrestus (1x) | Typhochrestus digitatus | (O. Pickard-Cambridge, 1873) | 1940, Jindřichův Hradec, č. o. Jindřichův Hradec I | 36 | Almost threatened | |
| Walckenaeria (11x) | Walckenaeria alticeps | (Denis, 1952) | 06/16/1964, Františkovy Lázně, č. o. Nový Drahov | 46 | Not endangered | |
| Walckenaeria antica | (Wider, 1834) | 08/15/1934, Hatín, č. o. Roseč | 109 | Not endangered | ||
| Walckenaeria atrotibialis | (O. Pickard-Cambridge, 1878) | 1933, Lužná (okr. Rakovník) | 151 | Not endangered | ||
| Walckenaeria corniculans | (O. Pickard-Cambridge, 1875) | 1940, Mohelno | 51 | Not endangered | ||
| Walckenaeria cucullata | (C. L. Koch, 1836) | 08/15/1934, Hatín, č. o. Roseč | 114 | Not endangered | ||
| Walckenaeria dysderoides | (Wider, 1834) | 1940, Senorady | 104 | Not endangered | ||
| Walckenaeria furcillata | (Menge, 1869) | 1940, Mohelno | 92 | Not endangered | ||
| Walckenaeria mitrata | (Menge, 1868) | 1889, Hořovice | 46 | Not endangered | ||
| Walckenaeria monoceros | (Wider, 1834) | 03/01/1961, Praha, č. o. Praha 5 | 6 | Strongly endangered | ||
| Walckenaeria simplex | Chyzer, 1894 | 09/12/1956, Doubravník | 18 | Endangered | ||
| Walckenaeria unicornis | O. Pickard-Cambridge, 1861 | 1933, Lužná (okr. Rakovník) | 33 | Almost threatened | ||
Family Lycosidae (21x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Xerolycosa (2x) | Xerolycosa miniata | (C. L. Koch, 1834) | 1894, Brno, č. o. Brno I | 92 | Not endangered | |
| Xerolycosa nemoralis | (Westring, 1861) | 11/23/1873, Františkovy Lázně | 261 | Not endangered | ||
Family Thomisidae (24x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Xysticus (9x) | Xysticus acerbus | Thorell, 1872 | 11/23/1873, Františkovy Lázně | 30 | Not endangered | |
| Xysticus audax | (Schrank, 1803) | 1859, Praha, č. o. Praha 1 | 173 | Not endangered | ||
| Xysticus bifasciatus | C. L. Koch, 1837 | 11/23/1873, Františkovy Lázně | 188 | Not endangered | ||
| Xysticus cristatus | (Clerck, 1757) | 1859, Praha, č. o. Praha 1 | 275 | Not endangered | ||
| Xysticus erraticus | (Blackwall, 1834) | 1894, Brno, č. o. Brno I | 91 | Not endangered | ||
| Xysticus kochi | Thorell, 1872 | 1894, Brno, č. o. Brno I | 172 | Not endangered | ||
| Xysticus lanio | C. L. Koch, 1835 | 1859, Praha, č. o. Praha 1 | 92 | Almost threatened | ||
| Xysticus luctator | L. Koch, 1870 | 11/23/1873, Františkovy Lázně | 50 | Endangered | ||
| Xysticus luctuosus | (Blackwall, 1836) | 11/23/1873, Františkovy Lázně | 55 | Not endangered | ||
Family Gnaphosidae (26x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Zelotes (8x) | Zelotes aurantiacus | Miller, 1967 | 09/18/1961, Olší | 38 | Almost threatened | |
| Zelotes electus | (C. L. Koch, 1839) | 07/16/1940, Mohelno | 69 | Almost threatened | ||
| Zelotes erebeus | (Thorell, 1871) | 1940, Mohelno | 39 | Endangered | ||
| Zelotes latreillei | (Simon, 1878) | 1889, Nový Jáchymov | 145 | Not endangered | ||
| Zelotes longipes | (L. Koch, 1866) | 1894, Praha, č. o. Praha 5 | 41 | Almost threatened | ||
| Zelotes petrensis | (C. L. Koch, 1839) | 1886, Železná Ruda | 143 | Not endangered | ||
| Zelotes puritanus | Chamberlin, 1922 | 05/17/1966, Tetín, č. o. Koda | 9 | Strongly endangered | ||
| Zelotes subterraneus | (C. L. Koch, 1833) | 1859, Praha, č. o. Praha 4 | 197 | Not endangered | ||
Family Zodariidae (1x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Zodarion (1x) | Zodarion germanicum | (C. L. Koch, 1837) | 1866, Rovensko pod Troskami | 77 | Not endangered | |
Family Miturgidae (4x) | ||||||
| Genus | Species | Description | First record | Squares | Threat level | |
| Zora (4x) | Zora manicata | Simon, 1878 | 07/03/1940, Mohelno | 23 | Endangered | |
| Zora nemoralis | (Blackwall, 1861) | 1929, Křivoklát | 91 | Not endangered | ||
| Zora silvestris | Kulczyński, 1897 | 1931, Rakovník, č. o. Rakovník I | 89 | Not endangered | ||
| Zora spinimana | (Sundevall, 1833) | 1859, Praha, č. o. Praha 1 | 314 | Not endangered | ||
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