Loveniidae

Loveniidae
Echinocardium cordatum
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Subphylum:	Eleutherozoa
Class:	Echinoidea
Order:	Spatangoida
Family:	Loveniidae Lambert, 1905
Genera
See text.

See text.

Loveniidae is a family of heart urchins in the order Spatangoida.

These sea urchins are called "heart urchins" due to their specific shape, looking like a heart when seen from below (more or less depending on the genus). The mouth is located between the two cheecks, and the anus below the tip.

According to WoRMS :

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