I dont know much about mussels but there is a mussel key for ohio mussels: http://www.amazon.com/Freshwater-Mussels-Ohio-Thomas-Watters/dp/0814211054
sherr On Thu, Jan 27, 2011 at 9:04 AM, Chalfant, Brian <[email protected]>wrote: > Greetings all - > > Anyone got recommendations as to a comprehensive, accurate key - or keys - > for freshwater bivalves and gastropods that would cover taxa occurring in > Pennsylvania? > > Much obliged - > Brian > > Brian A. Chalfant | -ologist > Pennsylvania Department of Environmental Protection > Rachel Carson State Office Building > 400 Market Street | Harrisburg, PA 17101 > Phone: 717.787.9639 | Fax: 717.772.3249 > www.depweb.state.pa.us<http://www.depweb.state.pa.us/> >
