Certain molluscs were abundant; Planorbis declivis, Lymnoea pachygaster, Pisidium priscum, with occasional fragments of the mussel Anodonta lavateri.    From Wordnik.com.  [Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86] Reference

In the Connecticut River watershed, the alewife floater (Anodonta implicata) relies on anadromous fishes, American shad (Alosa sapidissima), alewife (Alosa pseudoharengus), and blueback herring (Alosa aestivalis), as hosts.    From Wordnik.com.  [Freshwater mussels in North America - factors affecting their endangerment and extinction] Reference

"During a cloudburst hundreds of Anodonta anatina (L.) dropped on the pavement out of a rather strange black squall that suddenly appeared over Paderborn" and "in Chester (Pennsylvannia) masses of the tiny Gemma gemma dropped to the ground on June 6th 1869 during a heavy afternoon storm".    From Wordnik.com.  [It was raining mussels and clams] Reference

Anodonta, large Paludina, and some small shells.    From Wordnik.com.  [The Voyage of the Vega round Asia and Europe, Volume I and Volume II] Reference

Anodonta cygnea and A. anatina).    From Wordnik.com.  [Scientific American] Reference