MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | ... | Unionidae | Unioninae | Anodontini | Cristariina | Simpsonella gracilis

nominal species Anodonta subcrassa Lea, 1851

image of type lot

Anodonta subcrassa Lea, 1851 = Simpsonella gracilis

Lea, 1851. Proc. Zool. Soc. London 18: 198.
Lea, 1851. Ann. and Mag. 8: 495.
specimen image from publicationLea, 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

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."