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Genus Scytodes

Scytodes - female Scytodes - male Scytodes thoracica? - Scytodes - male Spitting spider? - Scytodes Scytodes Scytodes spider on toilet paper! - Scytodes Spitting Spider with egg sac - Scytodes - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Haplogynes)
Family Scytodidae (Spitting Spiders)
Genus Scytodes

Only one species in Scytodidae?
Most web pages that I have been to about Scytodidae say that there is only one genus, Scytodes, and one species, thoracica, in the family. However, some sites also list Scytodes perfecta (Banks), and others, as species. This page lists the perfecta species as having a range in my area, but doesn't have a photo, and several other Southwest US spider pages list Scytodes perfecta (Banks). Spiders of Texas lists several species. Unfortunately, I haven't found any posts of images of the family other than thoracica. Not having studied entymology, I'm curious if the only one species pages are misinformed or local, or the other species are newer finds. I'm just curious if anyone is familiar with the development of the taxonomy for this family.

 
Check the World Spider Catalogue
It's a bit of effort, but that's the place I always check for questions like this. Here's the page for that family:
http://research.amnh.org/entomology/spiders/catalog/SCYTODIDAE.html
It shows perfecta in the US and thoracica as holarctic (temperate regions of Northern Hemisphere, which includes US). I see others occurring in the US as well. Often, you'll only see mention in popular works of the most commonly encountered species.

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