| Caenopedina | |
|---|---|
 | |
| Caenopedina annulata | |
Scientific classification  | |
| 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]
The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow.
Cidaris is a genus of pencil sea urchins.
Ophiocomidae are a family of brittle stars of the suborder Ophiurina.
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.
Caenopedina annulata is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina annulata was first scientifically described in 1940 by Ole Theodor Jensen Mortensen.
Caenopedina cubensis is a species of sea urchins of the Family Pedinidae. Their armor is covered with spines. Caenopedina cubensis was first scientifically described in 1869 by Alexander Emanuel Agassiz.
Caenopedina diomedeae is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina diomedeae was first scientifically described in 1939 by Ole Theodor Jensen Mortensen.
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.
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.
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