Triangular kidneyshell

Triangular kidneyshell
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Ptychobranchus
Species:
P. greenii
Binomial name
Ptychobranchus greenii
(Conrad, 1834)
Synonyms
List
  • Unio brumbyanus
  • Unio brumbleyanus
  • Unio flavescens
  • Unio foremanianus
  • Unio greenii
  • Unio simplex
  • Unio trinacrus
  • Unio woodwardianus
  • Unio woodwardius

The triangular kidneyshell (Ptychobranchus greenii) 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 streams in the Mobile River Basin. It is a federally listed endangered species of the United States.