Echidnocerus
Echidnocerus is a genus of king crab. It includes Echidnocerus foraminatus and Echidnocerus cibarius, the Puget [Sound king crab]. The genus was long known as Lopholithodes until it was discovered in 2022 that Lopholithodes is a junior synonym of Echidnocerus.
Species
Echidnocerus contains the following two species:| Image | Scientific name | Common name | Distribution |
| Echidnocerus cibarius White, 1842 | Puget Sound king crab | Alaska to California | |
| Echidnocerus foraminatus Stimpson, 1859 | Brown box crab | From Prince [William Sound] in the Gulf of Alaska to San [Diego, California] |