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Data last updated
Mon 1 Dec 2025
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Bivalvia
| Unionoida
| Unionoidea
| Unionidae
| Unioninae
| Anodontini
| Alasmidontina
genus Utterbackia F.C. Baker, 1927: species1 available nominal genus synonym (2 total synonyms) | cladomics
Included Species
Utterbackia imbecillis (Say, 1829)
syonymy (6 available, 11 total) | specimens (47 + 1 Genbank voucher)
Range: Widespread in the Interior, Great Lakes, Gulf Coastal, and Atlantic slope basins, North America. Introduced to peninsular Florida and Mexico. (North America, Central America)
Genbank sequences: 16S, 18S, 28S, COI, mtGenome, ND1, other IUCN Red List: Least Concern NatureServe: G5 other links: MolluscaBase
Utterbackia peggyae (R.I. Johnson, 1965)
syonymy (1 available, 2 total) | specimens (1 + 1 Genbank voucher)
Range: Eastern Gulf Coastal Plain, from the Escambia to the St. Marks, USA. (North America)
Genbank sequences: 16S, 28S, 5.8S, COI, ITS1, ND1, other NatureServe: G3 other links: MolluscaBase
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