Sea urchin

Frae Wikipedia
Jump to navigation Jump to search
Sea urchin
Riccio Melone a Capo Caccia
The sea urchin (Echinus melo) frae Sardinie
Scienteefic clessification
Kinrick: Animalia
Phylum: Echinodermata
Subphylum: Echinozoa
Cless: Echinoidea
Leske, 1778

Sea urchins or urchins, sometimes cried sea hedgehogs, are smaa, spiny, globular animals which, wi thair close kin, such as saund dollars, constitute the class Echinoidea o the echinoderm phylum.