The definitive resource on the biology and evolution of freshwater mollusks. There are more species of freshwater mollusks—well over 5,000—than all the mamm

Published between 1850 and 1886, these six volumes by Thomas Davidson offered a definitive reference text on brachiopods.

Bivalves are key components of recent marine and freshwater ecosystems and have been so for most of the Phanerozoic. Their rich and long fossil record, combined