A cyclopoid copepod with ectocommensal cilliates (yellow arrows) - collected from cave stream sediments. Photo by Steve Taylor, 2000. Ovigerous female stygobitic crayfish, Orconectes australis australis. Arthropoda: Crustacea: Decapoda: Cambaridae Alabama The same specimen of Orconectes australis australis, closeup of eggs. Arthropoda: Crustacea: Decapoda: Cambaridae Alabama Stygobitic shrimp. Arthropoda: Crustacea: Decapoda Mexico Missouri. Probably Caecidotea antricola. Another groundwater isopod, Caecidotea kendeighi, this one from an alluvial aquifer in Illinois. Photo by Steve Taylor, 2001 Stygobitic cirolanid isopods, temporary numbers on them are part of an ecological field study, these marks will be gone when the animals molt. Arthropoda: Crustacea: Isopoda Mexico Bactrurus mucronatus, an eyless groundwater amphipod found primarily in the northern halves of Illinois, Indiana, and Ohio. The telson of the male is diagnostic - a long tubular structure (visible on the righthand side of this photo). Photo by Steve Taylor, 2001 Amphipods, probably Gammarus sp., in a Missouri cave stream. Photo by Jeff Swayne [Go Back to Cave Critters]

Illinois Natural History Survey

This page is maintained by Steve Taylor. Please email sjtaylor@inhs.uiuc.edu with comments and corrections. Created 21 January 2001, last modified 22 February 2006.