Echinocardium | |
---|---|
Echinocardium cordatum | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Order: | Spatangoida |
Family: | Loveniidae |
Genus: | Echinocardium J. E. Gray, 1825 |
Species | |
See text. | |
Synonyms[1] | |
Amphidetus Agassiz, 1836 |
Echinocardium is a genus of sea urchins of the family Loveniidae, known as heart urchins. The name is derived from the Greek ἐχῖνος (echinos, "hedgehog, urchin") and καρδία (kardia, "heart").[2]
worms
was invoked but never defined (see the help page).