1. The Biology of Caves and Other Subterranean Habitats;Culver,2010
2. Cave Biology;Romero,2009
3. The importance of cave exploration to scientific research;Kambesis;J. Cave Karst Stud.,2007
4. Possible speciation with gene flow in tropical cave snails
5. Cryptotora thamicola (Waterfall Climbing Cave Fish) the IUCN Red List of Threatened Species 2011http://www.iucnredlist.org/details/41407/0