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The Aspidodiadematidae are a family of sea urchins.
Coelopleurus is an extant genus of echinoids with fossil records dating back to the Eocene, with remains found in Europe and North America.
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms.
The Echinacea are a superorder of sea urchins. They are distinguished by the presence of a rigid test, with ten buccal plates around the mouth, and solid spines. Unlike some other sea urchins, they also possess gills. The group is a large one, with species found worldwide.
Cidaroida is an order of primitive sea urchins, the only living order of the subclass Perischoechinoidea. All other orders of this subclass, which were even more primitive than the living forms, became extinct during the Mesozoic.
The Camarodonta are an order of globular sea urchins in the class Echinoidea. The fossil record shows that camarodonts have been in existence since the Lower Cretaceous.
Abatus curvidens is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It came from the genus Abatus and lives in the sea. Abatus curvidens was first scientifically described in 1836 by Ole Mortensen.
Abatus elongatus is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It came from the genus Abatus and lives in the sea. Abatus elongatus was first scientifically described in 1836 by Koehler.
Agassizia scrobiculata is a species of sea urchin of the family Prenasteridae.
Pietro Micca was an Italian submarine which served with the Regia Marina in World War II. She was the second ship named after Pietro Micca, the Savoyard soldier who became a national hero for his sacrifice in the defence of Turin against the French troops in 1706. This boat was the prototype for a class of fast, long range submarines with conventional torpedo armament, naval mine laying capability, and useful secret transport capacity. The ship was built at the Tosi shipyard in Taranto. She was laid down on 15 October 1931 and launched on 31 March 1935. The boat fully met design requirements, but was too expensive to be repeated.
Echinometra is a genus of sea urchins in the family Echinometridae.
Breynia desorii is a species of sea urchins of the Family Loveniidae. Their armour is covered with spines. Breynia desorii was first scientifically described in 1851 by Gray.
Chaetodiadema tuberculatum is a species of sea urchins of the Family Diadematidae. Their armour is covered with spines. Chaetodiadema tuberculatum was first scientifically described in 1909 by Hubert Lyman Clark.
Chondrocidaris brevispina is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Chondrocidaris brevispina was first scientifically described in 1925 by Hubert Lyman Clark.
Chondrocidaris gigantea is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Chondrocidaris gigantea was first scientifically described in 1863 by Alexander Agassiz.
Cidaris abyssicola is a species of sea urchin in the Family Cidaridae. Cidaris abyssicola was first scientifically described in 1869 by Alexander Emanuel Agassiz.
Clypeaster cyclopilus is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster cyclopilus was first scientifically described in 1941 by Hubert Lyman Clark.
Clypeaster euclastus is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster euclastus was first scientifically described in 1941 by Hubert Lyman Clark.
Strongylocentrotus fragilis is a species of sea urchin of the family Strongylocentrotidae.
Chondrocidaris is a genus of sea urchins of the family Cidaridae described in 1863 by Alexander Agassiz. There are two living species and several fossil species dating as far back as the Miocene.
References
- ↑ Kroh, A. (2010). Chorocidaris micca (Ikeda, 1941). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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