| Stygobromus lucifugus | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Amphipoda |
| Family: | Crangonyctidae |
| Genus: | Stygobromus |
| Species: | †S. lucifugus |
| Binomial name | |
| †Stygobromus lucifugus (O.P. Hay, 1882) | |
| Synonyms [2] | |
| |
Stygobromus lucifugus, the rubious cave amphipod is an extinct species of amphipod crustacean in the family Crangonyctidae. It was first described by Oliver Perry Hay who found it living in a well near Abingdon, Knox County, Illinois, United States, [3] and it was endemic to that state. [4]