Tegula is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Tegulidae.
The heart urchins or Spatangoida are an order of sea urchins.
Lucapina is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
Osilinus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Echinolittorina granosa is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Tectarius is a genus of sea snails, marine gastropod molluscs in the family Littorinidae, the winkles or periwinkles.
Falsilunatia patagonica is a species of predatory sea snail, a marine gastropod mollusc in the family Naticidae, the moon snails.
Tonna ampullacea is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Abatus agassizii is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It is in the genus Abatus and lives in the sea. Abatus agassizii was first scientifically described in 1889 by Georg Pfeffer.
Abatus beatriceae is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It is in the genus Abatus and lives in the sea. Abatus beatriceae was first scientifically described in 1986 by Alberto Larrain.
Abatus cordatus is a species of sea urchin in the family Schizasteridae. It is native to shallow seas surrounding certain island groups in the southern Indian Ocean. The body is protected by a hard test or shell which is covered with spines. The female broods its young in deep pockets on the upper surface, retaining the young in place with specialised spines. American zoologist Addison Emery Verrill first scientifically described A. cordatus in 1876.
Abatus curvidens is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It is in the genus Abatus and lives in the sea. Abatus curvidens was first scientifically described in 1836 by Ole Mortensen.
Abatus ingens is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It is in the genus Abatus and lives in the sea. Abatus ingens was first scientifically described in 1926 by Koehler.
Abatus philippii is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It is in the genus Abatus and lives in the oceans of the southern hemisphere. Abatus philippii was first scientifically described in 1871 by Sven Lovén.
Abatus shackletoni is a species of sea urchin of the family Schizasteridae. Their armour is covered with spines. It is in the genus Abatus and lives in the sea. Abatus shackletoni was first scientifically described in 1911 by Koehler.
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.
Goniocidaris umbraculum is a species of cidaroid sea urchin that inhabits the continental shelf off the southern coasts of New Zealand. It is plentiful on a seabed composed of seashell and bryozoan rubble at a depth of 95 m (310 ft) off Otago.
Abatus is a genus of sea urchins belonging to the family Schizasteridae.
Schizasteridae is a family of echinoderms belonging to the order Spatangoida.
Waldo paucitentaculatus is a species of bivalve. The species was described in 2013. It is known from the southwestern Atlantic in the Argentinean waters. It has been found living on the sea urchin Abatus cavernosus.
