Species of bivalve
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The sculptured pigtoe ("Rotundaria infucata") is a species of freshwater mussel native to the United States. It is endemic to the Apalachicola and Ochlockonee River systems in the states of Alabama, Florida, and Georgia.
It was formerly classified under "Quadrula", but in 2012 it was moved to "Rotundaria" based on genetic evidence. It was also formerly included in the now-obsolete genus "Quincuncina", and in "Fusconaia" based on shell morphology.
References.
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