Stygobromus stellmacki

Stygobromus stellmacki

Critically Imperiled  (NatureServe)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Amphipoda
Family: Crangonyctidae
Genus: Stygobromus
Species:
S. stellmacki
Binomial name
Stygobromus stellmacki
(Holsinger, 1967)

Stygobromus stellmacki, commonly called Stellmack's cave amphipod is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Pennsylvania in the United States.