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!
The MUSSEL Project Database is moving to a new server, with a new URL! The new address for this page will be: https://musselpdb.org/fmuotwaolcb/db.php?ty=nomsp&id=2963
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Unionoida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Psoronaias quadrata nominal species Quadrula (Rotundaria) quadrata Simpson, 1914
Simpson, 1914, Descr. Cat. Naiades: 911.
Type(s): LECTOTYPE USNM_128996, Usumacinta River, Guatemala.
= Psoronaias quadrata Taxonomic Opinions
= Psoronaias quadrata (Simpson, 1914) — Graf & Cummings, 2021
= Psorula quadrata Simpson, 1914 — Bogan, 2010
= Psorula quadrata (Simpson, 1914) — Graf & Cummings, 2007
= Psorula quadrata (Simpson, 1914) — Haas, 1969
= Amblema (Psorula) quadrata Simpson — Haas, 1930
= Rotundaria quadrata (Simpson) — Haas, 1929
= Psoronaias quadrata (Simpson, 1914) — Frierson, 1927
= Quadrula (Rotundaria) quadrata n. s. — Simpson, 1914
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