
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").
GENUS
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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").
== Taxonomy == The genus was first described in 1825 by John Edward Gray, and the type species is Spatangus pusillus Leske, 1778 by subsequent designation.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).