Unionoidea | Unionidae | Unioninae | Anodontini | Cristariina | Simpsonella gracilis nominal species Anodonta subcrassa Lea, 1851
Lea, 1851, Proc. Zool. Soc. London 18: 198.
Lea, 1851, Ann. and Mag. 8: 495.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 7]: 236 [54], pl. 33, fig. 115.
Type(s): HOLOTYPE USNM_86693, Laguna de Bay, Luzon, Phil. Is.
= Simpsonella gracilis Taxonomic Opinions
+ Simpsonella gracilis (Lea, 1850) — Haas, 1969
= Simpsonella subcrassa (Lea, 1850) — Simpson, 1914
= Simpsonella subcrassa (Lea, 1850) — Haas, 1914
= Dalliella subcrassa (Lea) — Preston, 1912
= Dalliella subcrassa (Lea, 1850) — Simpson, 1900
= Margaron (Anodonta) subcrassa (Lea) — Lea, 1870
= Anodon subcrassa (Lea, 1850) — Sowerby, 1867
= Anodonta subcrassa Lea — Adams & Adams, 1857
= Anodonta subcrassa Lea — Hanley, 1856
= Margaron (Anodonta) subcrassa (Lea) — Lea, 1852
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