Stygobromus hubbsi
Stygobromus hubbsi, commonly called Malheur Cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Oregon in the United States. It is only found in Malheur Cave, which is a  long lava tube. References

Freshwater crustaceans of North America
Cave crustaceans
Crustaceans described in 1942
hubbsi
Endemic fauna of Oregon
Endemic crustaceans of the United States