| 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! 
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 Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Gonideini | Pseudodontopsis euphratica nominal species Monocondyloea rhomboidea Lea, 1859  Lea, 1859. Proc. Acad. Nat. Sci. 11: 187 [as ‘Monocondylœa rhomboidea’]. 
  Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 263 [81], pl. 42, fig. 143. Type(s): SYNTYPES USNM_86329, Tigris R., near Bagdad, Asia.
= Pseudodontopsis euphratica Taxonomic Opinions+ Pseudodontopsis euphratica Bourguignat, 1852 — Lopes-Lima et al., 2021 + Pseudodontopsis euphraticus (Bourguignat, 1852) — Haas, 1969 + Pseudodontopsis euphraticus (Bourguignat, 1852) — Haas, 1940 + Gabillotia euphratica var. churchilliana (Bourguignat, 1857) — Simpson, 1914 + Gabillotia euphratica var. churchillianus (Bourguignat, 1857) — Simpson, 1900 = Leguminaia rhomboidea (Lea) — Kobelt, 1893 = Pseudodon rhomboideus (Lea, 1859) — Westerlund, 1890 = Pseudodon rhomboideus  — Servain, 1890 = Pseudodon rhomboideus  — Bourguignat, 1880 = Margaron (Monocondylœa) [sic] rhomboidea (Lea) — Lea, 1870 = Unio rhomboideus (Lea, 1859) — Sowerby, 1868 = Monocondylea rhomboidea Lea — Petit de la Saussaye, 1865 = Monocondylaea rhomboidea Lea — Küster, 1862 |