| FAMILY | GENUS | SPECIES | AUTHOR | COUNTY RECORDS | DESCRIPTION | OTHER REFERENCES | |
| CAPONIIDAE | Calponia | harrisonfordi | Platnick | Contra Costa, Mendocino, San Benito, Santa Clara, Santa Cruz | Calponia harrisonfordi Platnick 1993 | ||
| CAPONIIDAE | Orthonops | gertschi | Chamberlin | Inyo Co, Riverside Co., San Bernardino Co. | Orthonops gertschi Chamberlin 1928, | ||
| CAPONIIDAE | Orthonops | giulianii | Platnick | Mono Co, Inyo Co., Kern Co., San Bernardino Co. | Orthonops giulianii Platnick 1995 | ||
| CAPONIIDAE | Orthonops | icenoglei | Platnick | Imperial Co. N to San Bernardino Co | Orthonops icenoglei Platnick 1995 | ||
| CAPONIIDAE | Orthonops | iviei | Platnick | Fresno Co, Riverside Co, San Diego Co. | Orthonops iviei Platnick 1995 | ||
| CAPONIIDAE | Orthonops | johnsoni | Platnick | San Diego Co | Orthonops johnsoni Platnick 1995 | ||
| CAPONIIDAE | Orthonops | n. spp. | Riverside Co., San Diego Co. | (2 n.spp. recognized by W. R. IcenogIe, S. C. Johnson an d W.J. Gertsch) | |||
| CAPONIIDAE | Orthonops | ovalis | (Banks) | Inyo Co., Riverside Co., San Bernardino Co. | Nops ovalis Banks 1898, p.211 | ||
| CAPONIIDAE | Orthonops | zebra | Platnick | Orange Co. Riverside Co. | Orthonops zebra Platnick 1995 | ||
| CAPONIIDAE | Tarsonops | systematicus | Chamberlin | Fresno Co., Inyo Co., Kings Co., River-side Co., San Diego Co., San Bernardino Co. | Tarsonops systematicus Chamberlin 1924, p. 601 | ||
| DIGUETIDAE | Diguetia | albolineata | (O.P.-Cambridge) | San Diego Co., Riverside Co. | Ervig albolineatus O.P.-Cambridge 1895 | Chosen publication: Gertsch, W.J.,1958a | |
| DIGUETIDAE | Diguetia | andersoni | Gertsch | San Bernardino Co. (Twenty-nine Palms) | Diguetia andersoni Gertsch 1958a, p.22 | Chosen publication: Gertsch, W.J.,1958a | |
| DIGUETIDAE | Diguetia | canities | (McCook) | Inyo Co., Los Angeles Co., Riverside Co., San Bernardino Co., Tulare Co, | Segestria canities McCook, H.C.,1889, p.136 | Chosen publication: Gertsch, W.J.,1958a | |
| DIGUETIDAE | Diguetia | mojavea | Gertsch | San Bernardino Co. (Yermo) | Diguetia mojavea Gertsch 1958a, p.20 | Chosen publication: Gertsch, W.J.,1958a | |
| DIGUETIDAE | Diguetia | signata | Gertsch | San Diego and Riverside Counties | Diguetia signata Gertsch 1958a, p.22 | Chosen publication: Gertsch, W.J.,1958a | |
| DYSDERIDAE | Dysdera | crocata | C.L.Koch | San Diego Co. north to Marin and Placer Counties | Dysdera crocata C.L.Koch 1839, p.81 | ||
| FILISTATIDAE | FiIistata | n. sp. | Imperial Co. (Ogilby) | (New species recognized by W.J. Gertssch) | |||
| FILISTATIDAE | Filistatinella | n. sp. | San Diego Co. north to Monterey Co., plus. Kern Co., Anacapa Is... Santa Cruz Is. | (Recognized by W.R. Icenogle and S.C. Johnson.) | |||
| FILISTATIDAE | Kukulcania | arizonica | (Chamberlin & Ivie) | San Diego and Imperial Counties north to Contra Costa Co. | Filistata arizonica Chamberlin & Ivie 1935, p.4 | ||
| FILISTATIDAE | Kukulcania | geophila | (Chamberlin & Ivie) | San Diego Co. north to Shasta Co. Kern Co. north to Placer Co., plus Santa Cruz Is. | Filistata geophila Chamberlin & Ivie 1935, p.6; Filistata geophila wawona Chamberlin & Ivie 1942, p.4 | ||
| FILISTATIDAE | Kukulcania | hibernalis | (Hentz) | Los Angeles. Co. , Marin Co. , San Joaquin Co. (.Army depot) | Filistata hibernalis Hentz 1842, p. 227 | ||
| FILISTATIDAE | Kukulcania | hurca | (Chamberlin & Ivie) | Imperial Co | Filistata hurca Chamberlin & Ivie 1942b, p.3 | ||
| FILISTATIDAE | Kukulcania | utahana | (ChamberIin & Ivie) | San Diego Co. north to Contra Costa Co.,Imperial Co. north to Sierra Co. | Filistata utahana ChamberIin & Ivie1935c, p. 5; | ||
| HYPOCHILIDAE | Hypochilus | kastoni | Platnick | Humboldt Co., Siskiyou Co. | Hypochilus kastoni Platnick 1987 in Forster, Platnick, and Gray 1987, p.22 | ||
| HYPOCHILIDAE | Hypochilus | petrunkevitchi | Gertsch | Fresno Co., Mariposa Co., San Bernardino Co., Tulare Co. | Hypochilus petrunkevitchi Gertsch 1958a, p.11 | Chosen publication: Forster & Gray 1987, p.21 | |
| HYPOCHILIDAE | Hypochilus | bernardino | Catley | San Bernardino Co | Hypochilus bernardino Catley 1994 | ||
| LEPTONETIDAE | Archoleptoneta | schusteri | Gertsch | San Diego Co. north to Humboldt Co., plus Butte Co., Placer Co. | Archoleptoneta schusteri Gertich 1974, p.201 | Reference: Platnick, N.I.,1986, pp.13, 15 | |
| LEPTONETIDAE | Calileptoneta | californica | (Banks) | Contra Costa Co. north to Del Norte Co. | Leptoneta californica Banks 1904, p.333 | Gertsch, W.J.,1974 , p.191; Platnick, N.I.,1986, pp.1, 15 | |
| LEPTONETIDAE | Calileptoneta | helferi | (Gertsch) | Mendocino Co. north to Del Norte Co. | Leptoneta helferi Gertsch 1974 ,p.192 | Reference: Platnick, N.I.,1986, pp.1, 15 | |
| LEPTONETIDAE | Calileptoneta | noyoana | (Gertsch) | Mendocino Co. | Leptoneta noyoana Gertsch 1974, p.196 | Reference: Platnick, N.I.,1986, pp.1, 15. | |
| LEPTONETIDAE | Calileptoneta | oasa | (Gertsch) | Riverside Co. | Leptoneta oasa Gertsch 1974, p.197 | Reference: Platnick, N.I.,1986, pp.1, 15 | |
| LEPTONETIDAE | Calileptoneta | wapiti | (Gertsch) | Humboldt Co., Lake Co., Mendocino Co. | Leptoneta wapiti Gertsch 1974, p.195 | Reference: Platnick, N.I.,1986, pp.1, 15 | |
| MIMETIDAE | Ero | furcata | (Villers) | Marin Co. | Aranea furcata Villers p.129 | Chosen publication: Shear W.A., 1981, p.257 | |
| MIMETIDAE | Mimetus | hesperus | Chamberlin | San Diego Co. north to Mendocino Co., Siskiyou Co., Riverside Cc,. north to Sierra Co. | Mimetus hesperus Chamberlin 1923, p.5 | Chamberlin &: Ivie 1935, p.63 | |
| MIMETIDAE | Mimetus | capriolus in prep. | Mott | San Bernardino Co | Mimetus capriolus Mott in prep | ||
| MIMETIDAE | Mimetus | notius | Chamberlin | San Diego Co. | Mimetus notius Chamberlin 1923, p. 7 | ||
| MIMETIDAE | Mimetus | sp. | Placer Co., Nevada Co. | (In collection of CA Dept. of Food and Agriculture.) | |||
| MIMETIDAE | Reo | eutypus | (Chamberlin & Ivie) | San Diego Co. North to Santa Barbara Co.,Monterey Co, Santa Clara Co, Riverside Co, Mariposa Co, Amador Co, San Clemente Is., Santa Catalina Is. | Mimetus eutypus Chamberlin & Ivie 1935, p.24 | Brignoli 1979 | Misplaced in Reo, replaced into Mimetus Mott in prep |
| OECOBIIDAE | Oecobius | isolatus | Chamberlin | Los Angeles Co. | Oecobius isolatus Chamberlin 1924, p.584 | Chosen publication: Shear, W.A.,1970,p.148 | |
| OECOBIIDAE | Oecobius | navus | Blackwall | San Diego Co. north to Tehama Co., plus Inyo Co., Mono Co., | Oecobius navus Blackwall 1849 | Chosen publication: Shear, W.A., 1970, p.138 | |
| OECOBIIDAE | Oecobius | putus | O.P.-Cambridge | Imperial Co. | Oecobius putus O.P.-Cambridge 1876, p.544 | Chosen publication: Shear, W.A.,1970, p.144 | |
| OONOPIDAE | Oonops | n. sp. | (One n.sp. recognized by W.J. Gertsch.) | ||||
| OONOPIDAE | Opopaea | sp. | (Specimen examined by W.R. Icenogle.) | ||||
| OONOPIDAE | Orchestina | moaba | Chamberlin & Ivie | San Diego Co. north to Monterey Co. | Orchestina moaba Chamberlin & Ivie 1935, p.10 | ||
| OONOPIDAE | Orchestina | n. sp. | (Specimens examined by W.R. Icenogle.) | ||||
| OONOPIDAE | Orchestina | obscura | Chamberlin & Ivie | Riverside Co. (Temecula) | Orchestina obscura Chamberlin & Ivie 1942, p.6 | ||
| OONOPIDAE | Scaphiella | hespera | Chamberlin | San Diego Co. north to Mariposa Co., plus Santa Cruz Island. | Scaphiella hespera Chamberlin 1924, p.594 | ||
| OONOPIDAE | Scaphiella | litoris | Chamberlin | San Diego Co. | Scophiella litoris Chamberlin 1924, p.594 | ||
| PHOLCIDAE | Artema | atlanta | Walckenaer | Imperial Co., San Diego Co. | Artema atlanta Walckenaer 1837, p.656 | Chosen publication: Brignoli, P.,1981, p.92 | |
| PHOLCIDAE | Crossopriza | sp. | Imperial Co. | (Recocinized by W.R. Icenogle.) | |||
| PHOLCIDAE | Holocnemus | pluchei | (Scopoli) | Imperial Co., Los Angeles Co., Napa Co., Riverside Co., Sonoma Co., San Joaquin ValIey, Sacramento Val1ey, | Aranea pluchei Scopoli 1763, p.404 | Reference: Wiehle, H.,1933, p 242 | |
| PHOLCIDAE | Pholcophora | americana | Banks. | Tulare Co. north to Siskiyou and Modoc Counties, plus San Francisco Co., Riverside Co., San Diego Co. | Pholcophora americana Banks 1896B, p.51, ;Pholcophora obscura Chamberlin & Ivie 1935, p.12 | Chosen publication: Gertsch, W.J.,1982, p.97 | |
| PHOLCIDAE | Pholcus | phalangioides | (Fuesslin) | Throughout most of California, Santa Catalina Is. | Aranea phalanciioides Fuesslin 1775, p61 | ||
| PHOLCIDAE | Physocyclus | californicus | Chamberlin & Gertsch | Calaveras Co., Los Angeles Co., Madera Co., Riverside Co., Sacramento Co., San Bernardino Co., Tulare Co. | Physocyclus californicus Chamberlin & Gertsch 1929, p.102 | ||
| PHOLCIDAE | Physocyclus | globosus | (Taczanowski) | Alameda Co. (Laundry Farm) | Pholcus globosus Taczanowski 1873, p,105 | Chosen publication: Brignoli, P.,198l, p.94 | |
| PHOLCIDAE | Psilochorus | acanthus | Chamberlin & Ivie | Orange Co. north to Santa Barbara Co | Psilochorus acanthus Chamberlin & Ivie 1942, p.12 | ||
| PHOLCIDAE | Psilochorus | apicalis | Banks | Santa Clara Co. north to Shasta Co. plus Inyo Co., Los Angeles Co., San Bernardino Co. | Psilochorus apicalis Banks 1921, p.99 | ||
| PHOLCIDAE | Psilochorus | bantus | Chamberlin & Ivie | Santa Barbara Co. north to Marin Co., plus Santa Cruz Is. | Psilochorus bantus Chamberlin & Ivie 1942. p.10 | ||
| PHOLCIDAE | Psilochorus | californiae | Chamberlin | San Diego Co. north to Contra Cost Co. | Psilochorus californicus Chamberlin 1919, p.8 | ||
| PHOLCIDAE | Psilochorus | gertschi | Schenkel | San Diego Co. (Balboa Park) | Psilochorus gertschi Schenkel 1950, p.44 | ||
| PHOLCIDAE | Psilochorus | hesperus | Gertsch &.Ivie | Shasta Co. (McArthur) | Psilochorus hesperus Gertsch & Ivie 1936, p.1 | ||
| PHOLCIDAE | Psilochorus | n. spp. | Inyo Co., Los. Angeles Co., Mono, Co., San Diego Co., Santa CIara Co., Sierra Co. | (3 n.spp. recognized by W.J. Gertsch.) | |||
| PHOLCIDAE | Psilochorus | rockefelleri | Gertsc | Imperial Co., San Diego Co. | Psilochorus rockefelleri Gertsch 1935, p.13 | ||
| PHOLCIDAE | Psilochorus | simplicior | Chamberlin & Ivie | Monterey Co. (Pacific Grove) | Psilochorus simplicior Chamberlin & lvie 1942, p.12 | ||
| PHOLCIDAE | Psilochorus | topanga | Chamberlin & Ivie | Los Angeles Co. (Topanga Cyn.), | Psilochorus topanga Chamberlin & Ivie 1942, p.11 | ||
| PHOLCIDAE | Psilochorus | utahensis | Chamberlin | Inyo Co.,Kern Co.,Mono Co.,Riverside Co.,San Bernardino Co.,San Diego f-7c, | Psilochorus utahensis Chamberlin 1919, p.247 | ||
| PHOLCIDAE | Spermophora | senoculata | (Duges) | Alameda Co. (Introduced) | Pholcus senoculatus Duges 1836 | Spermophora meridionaliis Hentz 1841, p.117 | |
| PLECTREURIDAE | Kibramoa | guapa | Gertsch | San Diego Co., Calaveras Co. | Kibramoa guapa Gertsch 1958b, p.38 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Kibramoa | madrona | Gertsch | Alameda Co., Contra Costa Co., Fresno Co., Monterey Co., Stanislaus Co. | Kibramoa madrona Gertsch 1958b, p.37 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Kibramoa | n. spp. | (3 n.spp. recognized by W.J. Gertsch.) | ||||
| PLECTREURIDAE | Kibramoa | suprenans | (Chamberlin) | Kern Co., Los Angeles Co. | Plectreurys suprenans Chamberlin 1919a, p.4 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | angeIa | Gertsch | Riverside Co., San Bernardino Co. | Plectreurys angela Gertsch 1958b, p.18 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | castanea | Simon | Los Angeles Co., San Bernardino Co. north to Contra Costa Co., plus Santa Barbara Is. | Plectreurys castanea Simon 1893,p.301 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | ceralbona | Chamberlin | South California | Plectreurys ceralbonus Chamberlin 1924, p.588 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | conifera | Gertsch | Los Angeles Co., Riverside Co., San Diego Co. | Plectreurys conifera Gertsch 1958b, p.14 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | deserta | Ger tsch | Kern Co. , Los Angel es Co. | Plectreurys deserta Gertsch 1958b, p.16 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | mojavea | Gertsch | Los. Angeles Co. (Palmdale) | Plectreurys mojavea Gertsch 1958b, p.14 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | monterea | Gertsch | Monterey Co. (Hastings Natural History Preserve) | PIectreurys montera Gertsch 1958b , p.11 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | n. spp. | (At least 3 n.spp. recognized by W.J. Gertsch.) | Chosen publication. Gertsch, W.J.,1958b, | |||
| PLECTREURIDAE | Plectreurys | oasa | Gertsch | ImperiaI Co , San Diego Co. | Plectreurys oasa Gertsch 1958b, p.17 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | schicki | Gertsch | Riverside Co. | Plectreurys schicki Gertsch 1958b, p.16 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | tecate | Gertsch | San Diego Co. (Tecate) | Plectreurys tecate Gertsch 1958b, p.13 | Chosen publication. Gertsch, W.J.,1958b, | |
| PLECTREURIDAE | Plectreurys | tristis | Simon | Inyo Co., Kern Co., Los Angeles Co., Mono Co., Riverside Co., San Bernardino Co., San Diego Co. | Plectreurys tristis Simon 1893, p.300 | Chosen publication. Gertsch, W.J.,1958b, | |
| SCYTODIDAE | Scytodes | n. spp. | San Diego and Imperial Counties north to Tulare Co., plus. Butte Co. (ex mobile home from Los Angeles area.) | (At least 2 n.spp. in California, recognized by W.R. Icenogle.) (2 species in W.R. Icenogle collection.) (2 species in Marjorie Moody collection.) | |||
| SCYTODIDAE | Scytodes | perfecta | Banks | Imperial Co., San Diego Co., Kern Co. north to Fresno Co. | Scytodes perfecta Banks, 1898a, p.210 | Chosen publication: Gertsch, W.J.,1935a, p.7 | |
| SCYTODIDAE | Scytodes | thoracica | (Latreille) | Butte Co. (Chico) | Aranea thoracica Latreille 1802, p.134 | ||
| SEGESTRIIDAE | Ariadna | bicolor | (Hentz) | Riverside Co., San Diego Co., San Bernardino Co. | Pylarus bicolor Hentz 1842, p.225 | Chosen publication: Beatty, J.A.,1970, p.458 | |
| SEGESTRIIDAE | Ariadna | fidicina | (Chamberlin) | Orange Co. north to Monterey Co. | Citharoceps fidicina Chamberlin 1924, p.603 | Chosen publication: Beatty, J.A.,1970, p.478 | |
| SEGESTRIIDAE | Segestria | bella | Chamberlin & Ivie | Santa Clara Co. (Mayfield) | Segestria bella Chamberlin & Ivie 1935c, p.7 | ||
| SEGESTRIIDAE | Segestria | cruzana | Chamberlin & Ivie | Santa Cruz Is. | Segestria cruzana Chamberlin & Ivie 1935c, p.7 | ||
| SEGESTRIIDAE | Segestria | pacifica | Banks | Los Angeles Co. north to Siskiyou Co. | Segestria pacifica Banks 1891, p.209 | ||
| SICARIIDAE | Loxosceles | arizonica | Gertsch & Mulaik, | San Bernardino Co. (Kelso dunes) | Loxosceles arizonica Gertsch & Mulaik 1940, p.317 | Chosen publication: Gertsch & Mulaik,1983, p.295 | |
| SICARIIDAE | Loxosceles | deserta | Gertsch | San Diego and Imperial Counties north to Sari Benito and Mono Counties. | Loxosceles deserta Gertsch 1973, p.159 | Chosen publication: Gertsch & Ennik,1983, p.291 | |
| SICARIIDAE | Loxosceles | laeta | (Nicolet) | Introduced into Los Angeles Co. | Scytodes laeta Nicolet 1849, p.349 | Chosen publication: Gertsch & Erinik,1983, p.349 | |
| SICARIIDAE | Loxosceles | martha | Gertsch & Ennik | Riverside Co. (Whitewater Cyn., Palm Springs) | LoxosceIes martha Gertsch & Ennik 1983, p.303 | Chosen publication: Gertsch & Mulaik,1983, p.296 | |
| SICARIIDAE | Loxosceles | palma | Gertsch & Ennik | Riverside Co., San Diego Co. | Loxosceles palma Gertsch & Ennik 1983, p.302 | Chosen publication: Gertsch & Ennik,1983, p.292 | |
| SICARIIDAE | Loxosceles | reclusa | Gertsch & Mulaik | Introduced into Los Angeles Co (PLEASE see note) | Loxosceles reclusa Gertsch & Mulaik 1940, p.317 | Chosen publication: Gertsch & Ennik,1983, p.235; http://spiders.ucr.edu/index.html | All occurences in CA have been linked to particular shipping introductions. Apart from these, THE BROWN RECLUSE IS UNKNOWN FROM CALIFORNIA!! See http://spiders.ucr.edu/index.html for good info. |
| SICARIIDAE | Loxosceles | rufescens | (Dufour) | 0range Co., Santa Barbara Co. | Scytodes rufescens Dufour 1820, p.203 | Chosen publication: Gertsch & Ennik,1983, p.353 | |
| SICARIIDAE | Loxosceles | russelli | Gertsch & Ennik | Inyo Co., San Bernardino Co. | LoxosceIes russelli Gertsch & Ennik 1983, p.301 | ||
| TELEMIDAE | Telema | n. spp. | (3 n.spp. recognized by W.J. Gertsch.) | ||||
| TELEMIDAE | Usofila | gracili | Keyserling | El Dorado Co. (Alabaster Cave) | Usofila gracilis Keyserling 1891 in Marx, G.,1891, p.35 | Chosen publications: Gertsch, W.J.,1973, p.154, Gertsch, W.J.,1979, p.151 |