| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Echinoecus nipponicus Miyake, 1939 |
Northwest Pacific | ||
| Echinoecus pentagonus (Milne-Edwards, 1879) |
Sea urchin crab | Indo-Pacific | |
| Echinoecus scultpus (Ward, 1934) |
Eastern Indian Ocean |