Goniocidaris (Cyrtocidaris) tenuispina

Goniocidaris impressa

Eucidaris metularia

Ten-Lined Urchin

Stereocidaris alcocki

Acanthocidaris hastigera

Eucidaris tribuloides

Slate Pencil Urchin

Acanthocidaris curvatispinis

Calocidaris micans

Cidaris blakei