Biospeleology - Illinois Natural History Survey web site. Within caves a diverse biota may be found, exhibiting varying degrees of adaptation to the subterranean environment. Information and links about cave habitats and fauna, as well as cave protection and related topics.
Research on the diversity, significance and distribution of cave animals in anchialine caves -- coastal caves formed in limestone or volcanic rock and flooded with seawater.
Exhaustive collection of information about groundwater and cave biology. Checklist and bibliography for most taxa, distribution maps, images and useful links. Updated regularly.
Photos of some of the 800 different species of animals recorded in Missouri caves, only about 64 of which are truly cave-adapted troglobites. Also includes photos of cave gates built to conserve cave life and other resources.
About the Movile cave, a unique and fragile underground environment near the Black Sea in Romania, a cave whose evolution is driven by chemosynthesis, with special emphasis on cave biota and ecology.