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| Fossil of Schizaster species from Italy | |
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| Genus: | Schizaster |
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Schizaster is a genus of heart urchins belonging to the family Schizasteridae. The type species of the genus is Schizaster studeri.
Extant and extinct species within this genus include: [1] [2] [3]
The fossil record of the genus dates back to the Paleocene (age range: 66.043 to 0.012 million years ago). These fossils have been found all over the world. [3]
Richard Thorpe was an American film director best known for his long career at Metro-Goldwyn-Mayer.
Cerion is a genus of small to medium-sized tropical air-breathing land snails, terrestrial pulmonate gastropods in the family Cerionidae, sometimes known as the peanut snails. The genus is endemic to the Caribbean region.
Micraster is an extinct genus of echinoids from the Late Cretaceous to the early Eocene. Its remains have been found in Africa, Antarctica, Europe, and North America. Micraster was an infaunal echinoid living in a burrow below the sediment surface. The test is clearly bilateral and there is a deep anterior groove to take in water containing organic particles to the mouth. The tube feet keep a supply of nutrient-laden water moving into the burrow. The anus has a waste tube behind it.
Pecten is a genus of large scallops or saltwater clams, marine bivalve molluscs in the family Pectinidae, the scallops. This is the type genus of the family.
Amblypneustes is a genus of sea urchin, belonging to the family Temnopleuridae.
This is a list of the writings of the American writer August Derleth.
Schizasteridae is a family of echinoderms belonging to the order Spatangoida.
Brissus is a genus of echinoderms belonging to the family Brissidae.
Echinocyamus is a genus of echinoderms belonging to the family Fibulariidae.
Cassidulus is a genus of echinoderms belonging to the family Cassidulidae.
Metalia is a genus of echinoderms belonging to the family Brissidae.
Echinolampas is a genus of echinoderms belonging to the family Echinolampadidae.
Encope is a genus of echinoderms belonging to the family Mellitidae.
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