	Home \| About \| Database \| Mussel of the Month \| Publications & Presentations

MUSSELpdb

Taxonomy

Margaritiferidae

Species & Genus Richness by
Taxonomy

Geography

Central America

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Gonideini

genus Simpsonasus Bolotov & Konopleva in Bolotov et al., 2023: species

2 available nominal genus synonyms | cladomics

Included Species

Simpsonasus nankingensis (Heude, 1874)

syonymy (2 available, 5 total) | specimens (7)

Range: Lower Yangtze River, China. (East Asia)

other links: MolluscaBase

Simpsonasus politus (Tolstikova, 1874) (Tertiary)

syonymy (1 available, 1 total) | specimens (0)

Range: Tertiary, kazakhstan.

other links: MolluscaBase

"Making the world a better place, one mollusk at a time."
	The MUSSEL Project — Home Page https://musselpdb.org/. Site developed and maintained by Dan Graf & Kevin Cummings. Funded by The National Science Foundation.