The Cape Leeuwin Snail (Austroassiminea letha) is endemic to Western Australia and is restricted to a few isolated locations between Cape Leeuwin and Cape Naturaliste. Populations are known from five locations: the Cape Leeuwin swamp, Ellen Brook (two isolated sub-populations), Turner Brook, Deepdene Cliffs and Cosy Corner. The extent of occurrence is approximately 2,000 km². … Continue reading Cape Leeuwin Freshwater Snail