Strongylocentrotidae

The Strongylocentrotidae are a family of sea urchins in the order Camarodonta.

Hemicentrotus pulcherrimus is a species of sea urchin, the only one in the monotypic genus Hemicentrotus. It was first described by the American engineer and marine zoologist Alexander Agassiz in 1864 as Psammechinus pulcherrimus. Its range extends along the coasts of Korea, Taiwan and China, and in Japan from Kyūshū to Ishikari Bay. An edible species, it is harvested from Kyūshū to Fukui, in the Sea of Japan.

species of echinoderm

Mesocentrotus is a genus of echinoderms belonging to the family Strongylocentrotidae.

species of sea urchin

species of echinoderm