Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Dos Rios (Alajuela, Costa Rica)
List of families for Dos Rios 19 Families width 23 Species and 1 Subspecies | Pholcidae C. L. Koch, 1851 | Carpenter spider | 4 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 2 | Species | Taxom | | Segestriidae (Simon, 1893) | Six-eyed Spiders | 1 | Species | Taxom | | Oonopidae Simon, 1890 | Dwarf Cell Spiders | 1 | Species | Taxom | | Phalangodidae Simon, 1879 | | 1 | Species | Taxom | | Johnstonianidae Thor, 1935 | | 1 | Species | Taxom | | Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 1 | Species | Taxom | | Halonoproctidae Pocock, 1901 | | 1 | Species | Taxom | | Ctenidae Keyserling, 1877 | Tropical wolf spiders | 2 | Species | Taxom | | Scorpionidae Pierre André..., 1802 | Largeclaw scorpions | 1 | Species | Taxom | | Gnaphosidae (Pocock, 1898) | Flat-bellied ground spiders | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 1 | Species | Taxom | | Oecobiidae Blackwall, 1862 | Disc web spider | 1 | Species | Taxom | | Theridiidae (Sundevall, 1833) | Cobweb And Widow Spiders | 0 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Hydryphantidae Piersig, 1896 | | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom |
Genera for Dos Rios 23 Genera with 23 Species #ACDHMOPTU
| Anopsicus Chamberlin &..., 1982 | | 1 | Species | Taxom | | Archaeodictyna Caporiacco, 1871 | | 1 | Species | Taxom | | Ariadna Audouin, 1924 | | 1 | Species | Taxom | | Aschnaoonops Makhan & Ezz..., 2013 | | 1 | Species | Taxom | | Calicina Ubick & Briggs, 1966 | | 1 | Species | Taxom | | Centrotrombidium Kramer, 1957 | | 1 | Species | Taxom | | Centruroides Marx, 1804 | Bark scorpions | 1 | Species | Taxom | | Cicurina Menge, 1992 | | 1 | Species | Taxom | | Conothele Thorell, 1908 | | 1 | Species | Taxom | Ctenus Walckenaer, 1805 | Tropical wolf spiders | 0 | Species | Taxom | | Cupiennius Simon, 1877 | Banana spiders | 2 | Species | Taxom | | Diplocentrus Peters, 1996 | Toothed Scorpions | 1 | Species | Taxom | | Drassyllus Chamberlin, 1922 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Hydranetes Kethley, 1971 | | 1 | Species | Taxom | | Metagonia Simon, 2005 | | 1 | Species | Taxom | | Modisimus Simon, 1998 | | 2 | Species | Taxom | | Myrmarachne MacLeay, 1980 | Antmimicking spider | 1 | Species | Taxom | | Oecobius Lucas, 1970 | Wall spider | 1 | Species | Taxom | Parasteatoda Archer, 1946 | Comb-Clawed Spider | 0 | Species | Taxom | | Tarsonemus Canestrini &..., 1939 | | 1 | Species | Taxom | | Trichothyas Viets, 1895 | | 1 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom |
Species list for Dos Rios 23 Species and 1 Subspecies | Anopsicus facetus Gertsch, 1982 | | | Archaeodictyna ammophila Menge, 1871 | | | Ariadna fidicina (Ralph Vary C..., 1924) | ⇒ Citharoceps fidicina Chamberlin, 1924 | | Aschnaoonops pamplona Platnick & al., 2013 | | | Calicina sequoia Briggs & Hom, 1966 | | | Centrotrombidium culicoides Vercammen-Gr..., 1957 | | | Centruroides gracilis Latreille, 1804 | Alacran azul {blue scorpion} | | Cicurina medina Willis J. Ge..., 1992 | | | Conothele trachypus Wladislaus K..., 1908 | Annual buckwheat | | Cupiennius foliatus Frederick Oc..., 1901 | Wandering spiders | | Cupiennius granadensis Eugen von Ke..., 1877 | Wandering spiders | | Diplocentrus coylei Fritts & Sissom, 1996 | | | Drassyllus orgilus (Chamberlin, 1922) | ⇒ Drassyllus dromeus Chamberlin, 1922 | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Hydranetes tropisternus Kethley, 1971 | | | Metagonia paranapiacaba Huber, Rheim..., 2005 | | | Modisimus bribri Huber, 1998 | Cellar spiders | | Modisimus guatuso Huber, 1998 | Cellar spiders | | Myrmarachne platypalpus (Bradoo, 1980) | ⇒ Myrmarachne platypalpa Bradoo, 1980 | | Oecobius rivula Shear, 1970 | | | Tarsonemus (Tarsonemus) cryptocephalus Ewing, 1939 | | | Trichothyas petrophila petrophila Michael, 1895 | | | Utivarachna ichneumon Christa L. D..., 2001 | |
Subnodes of Arachnida with occurrences in Dos Rios
 | | Arachnida (Lamarck 1801) |
Links, sources and further information Arachnida at biolcoll.utu.fi Arachnida at wiki.spinnen-forum.de Arachnida at spiderling.de Arachnida at wsc.nmbe.ch Arachnida at artfakta.se Arachnida at biodiversity.org.au Arachnida at dyntaxa.se Arachnida at gbif.org Arachnida at irmng.org Arachnida at itis.gov Arachnida at marinespecies.org
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