Related Research Articles
Coelopleurus is an extant genus of echinoids with fossil records dating back to the Eocene, with remains found in Europe and North America.
The Strongylocentrotidae are a family of sea urchins in the order Echinoida.
Cidaridae is a family of sea urchins in the order Cidaroida.
Spatangus is a genus of heart urchins in the Spatangidae family. The genus is synonymous with the previously recognised genera Prospatangus Lambert, 1902 and Spatagus. There are nine recognised species. The type species is Spatangus purpureus Müller, 1776 by subsequent designation.
Toxopneustidae is a family of globular sea urchins in the class Echinoidea.
Clypeaster, common name "cake urchins" or "sea biscuits", is a genus of echinoderms belonging to the family Clypeasteridae.
Lytechinus is a genus of sea urchins.
Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines.
Ophiactis is a genus of brittle stars (Ophiuroidea).
Araeosoma is a genus of deep-sea sea urchins in the family Echinothuriidae.
Histocidaris is a genus of sea urchins in the family Histocidaridae. Some species are known from the fossil record.
Pteraster is a genus of sea stars in the family Pterasteridae.
Caenopedina is a genus of sea urchins of the family Pedinidae.
Schizasteridae is a family of echinoderms belonging to the order Spatangoida.
Fibularia is a genus of echinoderms belonging to the family Fibulariidae. The genus has almost a cosmopolitan distribution.
Stylocidaris is a genus of echinoderms belonging to the family Cidaridae.
Ophiura is a genus of echinoderms belonging to the family Ophiuridae.
Echinocyamus is a genus of echinoderms belonging to the family Fibulariidae.
Phyllacanthus is a genus of echinoderms belonging to the family Cidaridae.
Ophionereis is a genus of echinoderms belonging to the family Ophionereididae.
References
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