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.
Zeadmete otagoensis is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Zeadmete is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Aoteadrillia is a genus of sea snails, marine gastropod mollusks in the family Horaiclavidae.
Austrocidaris pawsoni is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Austrocidaris pawsoni was first scientifically described in 1974 by McKnight.
Breynia neanika is a species of sea urchins of the Family Loveniidae. Their armour is covered with spines. Breynia neanika was first scientifically described in 1982 by McNamara.
Brisaster tasmanicus is a species of sea urchins of the Family Schizasteridae. Their armour is covered with spines. Brisaster tasmanicus was first scientifically described in 1974 by McKnight.
Caenopedina alanbakeri is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina alanbakeri was first scientifically described in 1989 by Rowe.
Caenopedina annulata is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina annulata was first scientifically described in 1940 by Ole Theodor Jensen Mortensen.
Caenopedina capensis is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina capensis was first scientifically described in 1923 by Hubert Lyman Clark.
Caenopedina cubensis is a species of sea urchins of the Family Pedinidae. Their armor is covered with spines. Caenopedina cubensis was first scientifically described in 1869 by Alexander Emanuel Agassiz.
Caenopedina depressa is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina depressa was first scientifically described in 1927 by Koehler.
Caenopedina hawaiiensis is a species of sea urchins of the Family Pedinidae. Their armor is covered with spines. Caenopedina hawaiiensis was first scientifically described in 1912 by Hubert Lyman Clark.
Caenopedina indica is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina indica was first scientifically described in 1903 by de Meijere.
Caenopedina mirabilis is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina mirabilis was first scientifically described in 1885 by Döderlein.
Caenopedina novaezealandiae is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina novaezealandiae was first scientifically described in 1964 by Pawson.
Caenopedina porphyrogigas is a species of sea urchins of the Family Pedinidae. Their armour is covered with spines. Caenopedina porphyrogigas was first scientifically described in 2009 by Anderson.
Caenopedina pulchella is a species of sea urchins of the family Pedinidae. Their armour is covered with spines. Caenopedina pulchella was first scientifically described in 1907 by Alexander Emanuel Agassiz and Hubert Lyman Clark.
Caenopedina superba is a species of sea urchins of the family Pedinidae. Their armour is covered with spines. Caenopedina superba was first scientifically described in 1925 by Hubert Lyman Clark.
Calocidaris micans is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Calocidaris micans was first scientifically described in 1903 by Ole Mortensen.
