The highnut was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.
Pleurobema avellanum, the hazel pigtoe, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema bournianum, the Scioto pigtoe, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema clava, the clubshell, club naiad or clubshell pearly mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
The James River spinymussel, also known as the Virginia spinymussel, is a species of freshwater mussel in the family Unionidae, the river mussels. This species is native to North Carolina, Virginia, and West Virginia in the United States. It is a federally listed endangered species of the United States. It was formerly placed in Pleurobema but in 2017, Perkins, Johnson & Gangloff placed the species into a new genus Parvaspina on account of genetic data and its lateral spines.
Pleurobema decisum, the southern clubshell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema furvum, the dark pigtoe, is a species of freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk is native to Alabama in the United States, where it is mainly limited to the Black Warrior River. It is a federally listed endangered species of the United States.
The Georgia pigtoe is a rare species of freshwater mussel in the family Unionidae. It is native to Alabama, Georgia, and Tennessee in the United States, where it has been extirpated from most of its historical range. It was declared extinct by the IUCN, but a few living individuals were discovered persisting in the Conasauga River in Georgia and Tennessee. It was federally listed as an endangered species in 2010.
Pleurobema johannis, the Alabama pigtoe, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema marshalli, the flat pigtoe or Marshall's mussel, was a species of freshwater mussel in the family Unionidae, the river mussels. It was native to Alabama and Mississippi, but it has not been seen since 1980. Though it is still listed as critically endangered on the IUCN Red List and as an endangered species on the US Endangered Species List, it is likely extinct.
The longnut was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema oviforme, the Tennessee clubshell, is a species of freshwater mussel in the family Unionidae, the river mussels. It is native to the eastern United States, where it occurs in Alabama, Kentucky, North Carolina, Tennessee, and Virginia. It also previously occurred in Mississippi.
Pleurobema plenum, the rough pigtoe pearly mussel or rough pigtoe, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
The oval pigtoe is a federally endangered species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
The fuzzy pigtoe is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema taitianum, the heavy pigtoe or Judge Tait's mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema troschelianum, the Alabama clubshell, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema verum, the true pigtoe, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
The Canoe Creek clubshell, also known as the Canoe Creek pigtoe, is an endangered species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
