| Citation | Higgins, R.C., 1975 Observations on the morphology of Echinocardium cordatum (Echinoidea: Spatangoida) from diverse geographical areas. Journal of Zoology 177(4):507-515. |
| ссылка | 105723 Higgins, R.C., 1975 |
| Page | |
| Named Used as Valid | Echinocardium cordatum |
| Местонахождение | |
| Distribution | South Africa, Trindade Island (South Atlantic), Australia, Japan and Ireland. |