Acanthocidaris hastingeria is a species of sea urchin of the family Cidaridae. Their armour is covered with spines. It came from the genus Acanthocidaris and lives in the sea. Acanthocidaris hastingeria was first scientifically described in 1907 by Alexander Emanuel Agassiz & Hubert Lyman Clark.
Aceste ovata is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It came from the genus Aceste and lives in the sea. Aceste ovata was first scientifically described in 1907 by Alexander Emanuel Agassiz & Hubert Lyman Clark.
Aceste weberi is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It came from the genus Aceste and lives in the sea. Aceste weberi was first scientifically described in 1914 by Koehler.
Aeropsis rostrata is a species of sea urchin of the family Aeropsidae. Their armour is covered with spines. It came from the genus Aeropsis and lives in the sea. Aeropsis rostrata was first scientifically described in 1877 by Thomson.
Agassizia excentrica is a species of sea urchin of the family Prenasteridae. The species was first scientifically described in 1869 by Alexander Agassiz.
Aporocidaris milleri is a species of sea urchin of the family Ctenocidaridae. Their armour is covered with spines. It is placed in the genus Aporocidaris and lives in the sea. Aporocidaris milleri was first scientifically described in 1898 by Alexander Emanuel Agassiz.
Araeosoma coriacea is a species of sea urchin of the family Echinothuriidae. Their armour is covered with spines. It is placed in the genus Araeosoma and lives in the sea. Araeosoma coriacea was first scientifically described in 1879 by Alexander Emanuel Agassiz, an American scientist.
Araeosoma coriaceum is a species of sea urchin of the family Echinothuriidae. Their armour is covered with spines. It is placed in the genus Araeosoma and lives in the sea. Araeosoma coriaceum was first scientifically described in 1879 by Alexander Emanuel Agassiz, an American scientist.
Araeosoma leptaleum is a species of sea urchin of the family Echinothuriidae. Their armour is covered with spines. It is placed in the genus Araeosoma and lives in the sea. Araeosoma leptaleum was first scientifically described in 1909 by Alexander Emanuel Agassiz & Hubert Lyman Clark.
Araeosoma tessellatum is a species of sea urchin of the family Echinothuriidae. Their armour is covered with spines. It is placed in the genus Araeosoma and lives in the sea. Araeosoma tessellatum was first scientifically described in 1879 by Alexander Emanuel Agassiz.
Aspidodiadema tonsum 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 tonsum was first scientifically described in 1879 by Alexander Emanuel Agassiz.
Brisaster latifrons is a species of sea urchins of the family Schizasteridae. Their armour is covered with spines. Brisaster latifrons was first scientifically described in 1898 by Alexander Emanuel Agassiz.
Brisaster moseleyi is a species of sea urchins of the Family Schizasteridae. Their armour is covered with spines. Brisaster moseleyi was first scientifically described in 1881 by Alexander Emanuel Agassiz.
Brisaster townsendi is a species of sea urchins of the Family Schizasteridae. Their armour is covered with spines. Brisaster townsendi was first scientifically described in 1898 by Alexander Emanuel Agassiz.
Brissopsis columbaris is a species of sea urchins of the Family Brissidae. Their armour is covered with spines. Brissopsis columbaris was first scientifically described in 1898 by Alexander Emanuel Agassiz.
Brissopsis pacifica is a species of sea urchins of the Family Brissidae. Their armour is covered with spines. Brissopsis pacifica was first scientifically described in 1898 by Alexander Emanuel Agassiz.
Ceratophysa ceratopyga is a species of sea urchins of the Family Pourtalesiidae. Their armour is covered with spines. Ceratophysa ceratopyga was first scientifically described in 1879 by Alexander Emanuel Agassiz.
Ceratophysa rosea is a species of sea urchins of the Family Pourtalesiidae. Their armour is covered with spines. Ceratophysa rosea was first scientifically described in 1879 by Alexander Emanuel Agassiz.
Chaetodiadema pallidum is a species of sea urchins of the Family Diadematidae. Their armour is covered with spines. Chaetodiadema pallidum was first scientifically described in 1907 by Alexander Emanuel Agassiz and Hubert Lyman Clark.
Cidaris abyssicola is a species of sea urchin in the Family Cidaridae. Cidaris abyssicola was first scientifically described in 1869 by Alexander Emanuel Agassiz.
