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Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Publication Ortmann (1909): summary
     publication summary

Complete Citation

Ortmann, A.E. 1909. The breeding season of Unionidae in Pennsylvania. Nautilus 22(9): 91-95. Available electronically.

Attributed Nominal Genera

Taxonomic Opinions

Anodonta cataracta Say = Pyganodon cataracta

Anodonta grandis Say = Pyganodon grandis

Anodonta imbecillis Say = Utterbackia imbecillis

Anodontoides ferussacianus Lea

Cryptogenia [sic] irrorata Lea = Cyprogenia stegaria

Lampsilis cariosa Say

Lampsilis iris Lea = Cambarunio iris

Lampsilis ligamentina Lam. = Ortmanniana ligamentina

Lampsilis luteola Lam. = Lampsilis radiata

Lampsilis multiradiata Lea = Lampsilis fasciola

Lampsilis nasuta Say = Sagittunio nasutus

Lampsilis ochracea Say = Atlanticoncha ochracea

Lampsilis orbiculata Hildr. = Obovaria subrotunda

Lampsilis ovata Say

Lampsilis parva Barn. = Toxolasma parvum

Lampsilis radiata Gmel.

Lampsilis recta Lam. = Ligumia recta

Lampsilis ventricosa Barn. = Lampsilis cardium

Lampsilis (Proptera) alata Say = Potamilus alatus

Lampsilis (Proptera) gracilis Barn. = Potamilus fragilis

Micromya fabalis Lea = Paetulunio fabalis

Obovaria circulus Lea = Obovaria subrotunda

Obovaria ellipsis Lea = Obovaria olivaria

Obovaria retusa Lam.

Plagiola securis Lea = Ellipsaria lineolata

Ptychobranchus phaseolus Hildr. = Ptychobranchus fasciolaris

Strophitus undulatus Say
+ Alasmodonta edentula Say, 1829

Symphynota compressa Lea = Platynaias compressa

Truncilla perplexa rangiana Lea = Epioblasma rangiana

Truncilla triquetra Raf. = Epioblasma triquetra