Echinocyamus pusillus

Echinocyamus pusillus
Aboral view of live E. pusillus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Clypeasteroida
Family:	Fibulariidae
Genus:	Echinocyamus
Species:	E. pusillus
Binomial name
Echinocyamus pusillus (O.F. Müller, 1776)[1]
Synonyms[1]
Clypeaster pulvinulus (Pennant, 1812) Echinocyamus angulosus Lütken, 1856 Echinocyamus minimus Girard, 1850 Echinocyamus minutus (Gmelin, 1791) Echinocyamus parthenopaeus Costa, 1868 Echinocyamus speciosus Costa, 1868 Echinocyamus tarentinus (Lamarck, 1816) Echinus minutus Gmelin, 1791 Echinus pulvinulus Pennant, 1812 Echinus pusillus (O.F. Müller, 1776) Fibularia equina Aradas, 1850 Fibularia pusilla (O.F. Müller, 1776) Fibularia tarentina Lamarck, 1816 Spatagus pusillus O.F. Müller, 1776

Echinocyamus pusillus, commonly known as the pea urchin or green urchin, is a species of sand dollar, a sea urchin in the family Fibulariidae, native to the northeastern Atlantic Ocean and the Mediterranean Sea. It buries itself in gravel or coarse sand at depths down to about 1,250 m (4,000 ft).