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SYS.TAXON
UNVERIFIED
Database
Biota
/
Eukaryota
/
Animalia
/
Mollusca
/
Bivalvia
/
Autobranchia
/
Heteroconchia
/
Palaeoheterodonta
/
Unionida
/
Unionoidea
/
Unionidae
/
Gonideinae
/
Gonideini
/
Simpsonasus
Taxon
TAX01CBSW
>
Simpsonasus
Genus
ACCEPTED
Rank
Genus
Children
2
Updated
Oct 15, 2026
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Hierarchy
Distribution
Discussion
01
//
Taxonomic Hierarchy
14 ranks
·
Biota
·
Eukaryota
·
Animalia
·
Mollusca
·
Bivalvia
·
Autobranchia
·
Heteroconchia
·
Palaeoheterodonta
·
Unionida
·
Unionoidea
·
Unionidae
·
Gonideinae
·
Gonideini
G
Simpsonasus
Current
2 children
Simpsonasus nankingensis
Species
›
Simpsonasus politus
Species
›
Parent
Gonideini
(Tribe)
02
//
Distribution
Preview
Costa Rica · Native
Thailand · Origin
USA · Cult.
Australia · Cult.
EU · Cult.
Native range
Introduced / cultivated
Preview · not real data
END RECORD · TAX01CBSW