(Gmelin, 1791)
Echinoidea
Spatangoida
Brissidae
Brissopsis elongata
Heart Urchin
Meoma ventricosa
Large Heart Urchin
Brissus unicolor
Groove Burrowing Urchin
Image: © Ana Carolina Hernández-Oquet (CC-BY-NC) · iNaturalist (CC-BY-NC) · source