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Cidaris is a genus of pencil sea urchins.
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.
Cidaridae is a family of sea urchins in the order Cidaroida.
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.
Amphipneustes davidi is a species of sea urchin of the family Temnopleuridae. Their armour is covered with spines. It is placed in the genus Amphipneustes and lives in the sea. Amphipneustes davidi was first scientifically described in 2010 by Madon-Senez.
Aspidodiadema africanum is a species of sea urchin of the family Aspidodiadematidae. Their armour is covered with spines. It is placed in the genus Aspidodiadema and lives in the sea. Aspidodiadema africanum was first scientifically described in 1939 by Ole Theodor Jensen Mortensen, a Danish scientist.
Aspidodiadema arcitum is a species of sea urchin of the family Aspidodiadematidae. Their armour is covered with spines. It is placed in the genus Aspidodiadema and lives in the sea. Aspidodiadema arcitum was first scientifically described in 1939 by Ole Theodor Jensen Mortensen, a Danish scientist.
Aspidodiadema hawaiiense is a species of sea urchin of the family Aspidodiadematidae. Their armor is covered with spines. It is placed in the genus Aspidodiadema and lives in the sea. Aspidodiadema hawaiiense was first scientifically described in 1939 by Ole Theodor Jensen Mortensen, a Danish scientist.
Cidaris cidaris is a species of sea urchin commonly known as the long-spine slate pen sea urchin. It is found in deep water in the eastern Atlantic Ocean and the Mediterranean Sea.
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.
Chaetodiadema keiense is a species of sea urchins of the family, Diadematidae. Their armour is covered with spines. Chaetodiadema keiense was first scientifically described in 1939 by Ole Theodor Jensen Mortensen.
Chorocidaris micca is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Chorocidaris micca was first scientifically described in 1941 by Ikeda.
Cidaris abyssicola is a species of sea urchin in the Family Cidaridae. Cidaris abyssicola was first scientifically described in 1869 by Alexander Emanuel Agassiz.
Cidaris blakei is a species of sea urchins of the family Cidaridae. Its armour is covered with spines of three types, one unique type being extended and fan-like, making it easily recognized. Alexander Agassiz first described it scientifically in 1878. It is present on the seabed in deep waters in the Gulf of Mexico and the Bahamas.
Cidaris nuda is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Cidaris nuda was first scientifically described in 1903 by Ole Mortensen.
Cidaris rugosa is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Cidaris rugosa was first described in 1907 by Hubert Lyman Clark as Dorocidaris rugosa.
Cionobrissus revinctus is a species of sea urchins of the Family Brissidae. Their armour is covered with spines. Cionobrissus revinctus was first scientifically described in 1879 by Alexander Emanuel Agassiz.
Clypeaster aloysioi is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. C. aloysioi was first scientifically described in 1959 by Brito.
Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines.
Parechinus angulosus, the Cape urchin, is a sea urchin in the family Parechinidae endemic to southern Africa.
References
- ↑ Kroh, A. (2010). Cidaris mabahissae (Mortensen, 1939). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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