Triangular kidneyshell
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The triangular kidneyshell is a species of freshwater mussel, in the family Unionidae, the river mussels. It is endemic to Alabama in the United States, where it is known from several rivers and strea
Ptychobranchus greenii Smithsonian
Ptychobranchus
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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, Canad
Triangular kidneyshell
…to my friend Jacob Green, M. D., Professor of Chemistry in Jefferson College, a gentleman well known as a contributor to Conchology." It was placed in Ptychobranchus by Simpson, 1900, due to the folded gills of the female that accommodate larvae packages, thus the meaning of the genus name, "folded gills". This…
Ptychobranchus subtentum