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Family Corinnidae - Antmimics and Ground Sac Spiders

Probable C. longipalpa - pre-penultimate dorsal - Castianeira longipalpa - male Castianeira descripta? - Castianeira descripta Antmimic? - Castianeira - female Castianeira sp.? - Castianeira Gnaphosidae ? - Castianeira - male Falconina gracilis - female Castianeira crocata or descripta? - Castianeira - female Castianeira longipalpa? - Castianeira - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Corinnidae (Antmimics and Ground Sac Spiders)
Synonyms and other taxonomic changes
Meriola and Trachelas transferred to new family Trachelidae by Ramirez, 2014(1). Drassinella, Phrurolithus, Phruronellus, Phrurotimpus, Piabuna, and Scotinella transferred to new family Phrurolithidae by Ramirez 2014(1).

Reclassified the Trachelas genus from Clubionidae to Corinnidae (source: 2005 AMNH World Spider Catalog)
Numbers
7 Genera found in the US/Canada.
Castianeira - 26 species
Creugas - 2 species (C. bajulus has been found in southern CA)
Falconia - 1 species
Mazax - 2 species (Castianeira/Micaria look-alike)
Myrmecotypus - 1 species (Micaria look-alike)
Septentrinna - 2 species
Xeropigo - 1 species
Identification
Mazax kaspari - male abdomen constricted and looks kind of like C. thalia. Dorsum with pattern of four brownish-black horizontal bands and brownish-black posterior as in male, except base coloring off-white.
Range
Exact distribution within these countries will be added when time permits.



Drassinella
- gertschi - Southern California, Mexico
- modesta - Southern California
- sclerata - southern CA
- siskiyou - northern CA
- sonoma - CA (San Francisco area only)
- unicolor - western USA, CA, NV, UT, OR, southern ID, NM


Mazax
- kaspari - Known only from the type locality; Presidio Co., TX(2)
- pax - Southernmost Texas south to Panama(3)


Phrurolithus - All in the USA
- absurdus
- aemulatus
- alatus
- apacheus
- apertus
- banksi
- callidus
- camawhitae
- catalinius
- concisus
- connectus
- dolius
- duncani
- emertoni
- goodnighti
- kastoni
- kentuckyensis
- leviculus
- oabus
- paludivagus
- parcus
- pinturus
- pipensis
- schwarzi
- similis
- singulus
- umbratilis


Piabuna
- brevispina - USA
- longispina - USA
- nanna - USA
- pallida - USA
- xerophila - USA

Septentrinna
- bicalcarata, USA & Mexico
- steckleri, USA & Mexico

Xeropigo
- tridentiger - USA
Internet References
~ americanarachnology.org - Mazax kaspari full description with drawings.

~ Revision of Drassinella Platnick & Ubick, 1989. - Descriptions, ranges & drawings of palps/epigynes.
Works Cited
1.The morphology and phylogeny of dionychan spiders
Ramírez, Martín J. 2014. Bulletin of the American Museum of Natural History.
2.A new species of Mazax from Texas (Araneae: Clubionidae)
Cokendolpher, J. C. 1978. Journal of Arachnology 6: 230-232.
3.The Spider Subfamily Castianeirinae of North and Central America
J. Reiskind. 1969. Bull. Mus. of Comp. Zool. Vol 138: 163-325.