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Genus Cyclocosmia

Ravine Trapdoor Spider - Cyclocosmia truncata - female Ravine Trapdoor Spider - Cyclocosmia truncata - female Ravine Trapdoor Spider - Cyclocosmia truncata - female Ravine Trapdoor Spider (Burrow) - Cyclocosmia truncata - female Ravine Trapdoor Spider (Burrow) - Cyclocosmia truncata - female trapdoor spider? - Cyclocosmia truncata trapdoor spider? - Cyclocosmia truncata Torreya Trapdoor Spider - Cyclocosmia torreya - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Mygalomorphae (Mygalomorphs)
Family Ctenizidae (Cork-lid trapdoor spiders)
Genus Cyclocosmia
Synonyms and other taxonomic changes
First described in 1871 by Anton Ausserer
Explanation of Names
From Greek kyklos (κυκλος)- "circle" + kosmeo (κοσμεω)- "to adorn"
Numbers
Two US species
Identification
classic truncate abdomen
Range
central Tennessee, Alabama, western Georgia, northern Florida
Habitat
building cryptic trapdoors
Print References
Gertsch, W. J. & Platnick, N. I. (1975). A revision of the trapdoor spider genus Cyclocosmia (Araneae, Ctenizidae). American Museum Novitates 2580: 1-20. (online PDF)
Internet References
Verhandlungen der zoologisch-botanischen Gesellschaft in Wien, v.21, p.144    Ausserer's original description of the genus (in German)