Gracilechinus

Gracilechinus acutus
Gracilechinus acutus at the Biodiversarium of the Observatoire océanologique de Banyuls-sur-Mer
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Echinoida
Family:	Echinidae
Genus:	Gracilechinus
Species
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Gracilechinus is a genus of sea urchins in the family Echinidae.

The species in this genus are regular sea urchins, with a rounded test, bearing the anus at the top and the mouth at the bottom. They are extremely similar to species in the genus Echinus, but are differentiated by the fact that they bear a primary turbercle on every interambulacral plates.

Most species in this genus are abyssal, and live in the North Atlantic or close cold seas.

Species in this genus include:

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