Recent work on Ohio River Gastropods

  Pleurocera canaliculata

 Lithasia verrucosa

Lithasia armigera

 Lithasia obovata

Leptoxis praerosa

  Birgella subglobosus

 Probythinella emarginata

 Amnicola limosus

  Campeloma decisum

  Lioplax sulculosa