| Caenopedina | |
|---|---|
 | |
| Caenopedina annulata | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Pedinoida |
| Family: | Pedinidae |
| Genus: | Caenopedina A. Agassiz, 1869 |
| Synonyms | |
| |
Caenopedina is a genus of sea urchins of the family Pedinidae. [1]
Species accepted within Caenopedina: [1]
Coelopleurus is an extant genus of echinoids with fossil records dating back to the Eocene, with remains found in Europe and North America.
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.
Caenopedina hawaiiensis is a species of sea urchins of the Family Pedinidae. Their armor is covered with spines. Caenopedina hawaiiensis was first scientifically described in 1912 by Hubert Lyman Clark.
Caenopedina pulchella is a species of sea urchins of the family Pedinidae. Their armour is covered with spines. Caenopedina pulchella was first scientifically described in 1907 by Alexander Emanuel Agassiz and Hubert Lyman Clark.
Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines.
Araeosoma is a genus of deep-sea sea urchins in the family Echinothuriidae.
Aporocidaris is a genus of sea urchins in the family Ctenocidaridae. Several species are found in deep water in circum-Antarctic locations.
Histocidaris is a genus of sea urchins in the family Histocidaridae. Some species are known from the fossil record.
Austrocidaris is a genus of sea urchins belonging to the family Cidaridae.
Schizasteridae is a family of echinoderms belonging to the order Spatangoida.
Stylocidaris is a genus of echinoderms belonging to the family Cidaridae.
Maretiidae is a family of echinoderms belonging to the order Spatangoida.
Brisaster is a genus of echinoderms belonging to the family Schizasteridae.
Echinocyamus is a genus of echinoderms belonging to the family Fibulariidae.
Acanthocidaris is a genus of echinoderms belonging to the family Cidaridae.
Stereocidaris is a genus of echinoderm belonging to the family Cidaridae.
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