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.
Amphipneustes koehleri 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 koehleri was first scientifically described in 1905 by Ole Mortensen.
Antrechinus nordenskjoldi is a species of sea urchin of the family Urechinidae. Their armour is covered with spines. It is placed in the genus Antrechinus and lives in the sea. Antrechinus nordenskjoldi was first scientifically described in 1905 by Ole Theodor Jensen Mortensen.
Aspidodiadema jacobyi is a small sea urchin in the family Aspidodiadematidae. It lives in tropical seas at great depths. Aspidodiadema jacobyi was first scientifically described in 1880 by Alexander Emanuel Agassiz, an American scientist.
Arbaciella elegans is a species of sea urchin of the family Arbaciidae. Their armour is covered with spines. It is placed in the genus Arbacia and lives in the sea. Arbaciella elegans was first scientifically described in 1910 by Ole Theodor Jensen Mortensen.
Argopatagus vitreus is a species of sea urchin of the family Macropneustidae. Their armour is covered with spines. It is placed in the genus Argopatagus and lives in the sea. Argopatagus vitreus was first scientifically described in 1879 by Alexander Emanuel Agassiz, an American scientist.
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 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.
Aspidodiadema intermedium 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 intermedium was first scientifically described in 1977 by Shigei.
Aspidodiadema meijerei is a species of sea urchin of the family Aspidodiadematidae. Its armor is covered with spines. It is placed in the genus Aspidodiadema and lives in the sea. Aspidodiadema meijerei was first scientifically described in 1906 by Döderlein.
Aspidodiadema montanum 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 montanum was first scientifically described in 1981 by Mironov.
Aspidodiadema sinuosum 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 sinuosum was first scientifically described in 1981 by Mironov.
Asterechinus elegans is a species of sea urchin of the family Trigonocidaridae. Their armour is covered with spines. It is placed in the genus Asterechinus and lives in the sea. Asterechinus elegans was first scientifically described in 1942 by Ole Theodor Jensen Mortensen.
Asthenosoma dilatatum is a species of sea urchin of the family Echinothuriidae. Their armour is covered with spines. It is placed in the genus Asthenosoma and lives in the sea. Asthenosoma dilatatum was first scientifically described in 1934 by Ole Theodor Jensen Mortensen.
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.
Cidaris mabahissae is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Cidaris mabahissae was first scientifically described in 1939 by Ole Mortensen.
Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines.
The Echinothuriidae are a family of sea urchins in the order Echinothurioida. Due to their soft skeletons, most are called "leather urchins", but species in the genus Asthenosoma are also known as "fire urchins" due to their bright colors and painful, venomous sting.
Aspidodiadema is a genus of echinoderms belonging to the family Aspidodiadematidae. The species of this genus are found in the Indo-Pacific and Caribbean.
