Origin and Evolution of the Gastropod Family Pomatiopsidae, with Emphasis on ... - George Davis - Google Books

http://books.google.de/books?hl=de&lr=&id=SfVvkEBzj8cC&oi=fnd&pg=PA1&dq=Pomatiopsidae&ots=aJZMuN_ww2&sig=HtKOoErXOAqbL1scZuJEf_h

Describes an extraordinary endemic radiation of hydrobioid snails in the Mekong River (MR). The monophyletic radiation involving the subfamily Triculinae, 3 tribes, 11 genera, & 92 species, is larger than contemporaneous endemic freshwater gastropod faunas…