| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Spatangus californicus Clark, 1917 |
California heart urchin | Eastern Central Pacific | |
| Spatangus inermis Mortensen, 1913 |
Mediterranean Sea | ||
| Spatangus mathesoni McKnight, 1968 |
Matheson’s heart urchin | Southwest Pacific | |
| Spatangus multispinus Mortensen, 1925 |
Purple-heart urchin | Southwest Pacific | |
| Spatangus purpureus unspecified |
Violet heart urchin | Atlantic and the Mediterranean Sea |