James River spinymussel

The James River spinymussel (Parvaspina collina), also known as the Virginia spinymussel,^[4] 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.^[5] It is federally listed as an endangered species of the United States.^[2] It was formerly placed in the genus Pleurobema but in 2017, Perkins, Johnson & Gangloff placed the species in Parvaspina on account of genetic data and its lateral spines.^[6]

James River spinymussel
Conservation status
Critically Endangered  (IUCN 2.3)[1]
Endangered (ESA)[2][3]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Parvaspina
Species:	P. collina
Binomial name
Parvaspina collina (Conrad, 1837)
Synonyms[4]
Elliptio collina (Conrad, 1837) Fusconaia collina (Conrad, 1837) Canthyria collina (Conrad, 1837) Unio collinus Conrad, 1837 Pleurobema collina (Conrad, 1837)