Ptychobranchus
Sign in to savePtychobranchus is a genus of freshwater mussels in the family Unionidae. They are endemic to North America, and are mainly found in the Midwest and southeastern United States as well as Ontario, Canada. Several members of the genus are considered endangered species.
Species
GENUS
- KingdomAnimalia
- PhylumMollusca
- ClassBivalvia
- OrderUnionida
- FamilyUnionidae
via GBIF
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Ptychobranchus is a genus of freshwater mussels in the family Unionidae. They are endemic to North America, and are mainly found in the Midwest and southeastern United States as well as Ontario, Canada. Several members of the genus are considered endangered species.
The genus is characterized by folded gills of the female that accommodate larvae packages, thus the meaning of the genus name, "folded gills". She produces one conglutinate in each demibranch of the gills. Members of this genus are long-term brooders and hold their eggs over winter.