The sculptured pigtoe (''Rotundaria infucata'') is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
freshwater mussel native to the
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. It is endemic to the
Apalachicola and
Ochlockonee River systems in the states of
Alabama
(We dare defend our rights)
, anthem = "Alabama (state song), Alabama"
, image_map = Alabama in United States.svg
, seat = Montgomery, Alabama, Montgomery
, LargestCity = Huntsville, Alabama, Huntsville
, LargestCounty = Baldwin County, Al ...
,
Florida
Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
, and
Georgia.
It was formerly classified under ''
Quadrula
''Quadrula'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae native to rivers of the American Midwest and mid-south. All have thick nacreous shells with well-developed hinge teeth, many also with external she ...
'', 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
''Fusconaia'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae. They are native to North America.
Species within the genus ''Fusconaia''
Species include:
* '' Fusconaia askewi''
* '' Fusconaia burkei'' (Tapere ...
'' based on shell morphology.
References
Molluscs of the United States
Rotundaria
Bivalves described in 1834
{{Unionidae-stub