Strongylocentrotus
Strongylocentrotus is a genus of sea urchins in the family Strongylocentrotidae containing several species.
Species
The World Register of Marine Species includes:| Image | Scientific name | Common Name | Distribution |
| Strongylocentrotus djakonovi Baranova, 1957 | Bering Sea | ||
| Strongylocentrotus droebachiensis | green sea urchin | the Pacific and Atlantic Oceans to a northerly latitude of 81 degrees and as far south as the Puget Sound and England | |
| Strongylocentrotus intermedius | Sea of Japan, Pacific ocean | ||
| Strongylocentrotus pallidus | Norway, off Russia from the Barents Sea down to the central part of the Sea of Japan | ||
| Strongylocentrotus polyacanthus Agassiz and H. L. Clark, 1907 | off Simushir Island | ||
| Strongylocentrotus pulchellus Agassiz & H.L. Clark, 1907 | Gulf of Jantary, SW coast of Sachalin | ||
| Strongylocentrotus purpuratus | purple sea urchin | Pacific Ocean extending from Ensenada, Mexico to British Columbia, Canada. |