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 |