Their phylum is Echinodermata, but that also includes starfish and sea cucumbers. The class is named Echinoidea. Hope this helps!
Echinoidea
Echinoderm is the scientific name for spiny-skinned animals. Spiny-skinned animals include sea urchins, sand dollars, brittle stars, starfish, and sea cucumbers.
Echinoidea
the scientific name for a sea urchin is Family: Strongylocentrotidae Genus: Strongylocentrotus Species: Strongylocentrotus Purpuratus
Echinus melo
No. Sea urchins live in the sea.
More sea urchins.
The classification of a Sea Urchin is Echinoidea
there are excatly 3million purple sea urchins
sea urchins eat kelp.
Echinoderms.
The scientific name of sea lilies are crinoid