AN IDENTIFICATION MANUAL FOR THE FRESHWATER SNAILS OF FLORIDA Throughout the 19th and 20th Centuries malacologists made frequent field trips to explore river systems that were poorly known, and to revisit others that were renown for their rich and unique assemblages of species.
| Field Guide to Freshwater Mussels of the Midwest A comprehensive field guide to the freshwater mussels of the Midwestern United States, published by the Illinois Natural History Survey.
|