Freshwater Snails (Mollusca: Gastropoda) of North America
|EPA Number: ||600382026|
|Date of Publication:||April, 1982|
|Audience||concerned citizens, industry|
Freshwater gastropod mollusks are represented in North America (north of Mexico) by 15 families, 78 genera and, as treated in this manual, 499 species. More...
Fresh Water Biology