Top Results for Heart Urchin

Echinocardium cordatum, commonly known as the heart urchin or sea potato, is a species of burrowing sea urchin in the family Loveniidae. First described by Thomas Pennant in 1777, it inhabits sandy substrates in the northeastern Atlantic Ocean and Mediterranean Sea. Unlike regular sea urchins, it ha...

Micraster cortestudinarium is an extinct species of heart urchin, a type of sea urchin, that lived during the Late Cretaceous period. First described by the paleontologist August Goldfuss in 1826, the species is primarily found in chalk deposits across Europe. Like other members of the Micraster gen...

Echinocardium cordatum, commonly called the sea potato, is a species of irregular sea urchin in the order Spatangoida that burrows in sandy marine sediments. Its test is heart-shaped and covered in dense, fine yellowish spines that facilitate movement through sand. The species inhabits coastal water...

Spatangus purpureus is a species of irregular sea urchin in the family Spatangidae, first described by the Danish naturalist Otto Friedrich Müller in 1776. Commonly known as the purple heart urchin, it inhabits sandy and muddy seabeds in the eastern Atlantic Ocean and the Mediterranean Sea. Like oth...

Meoma ventricosa is the red heart urchin, a large Caribbean Brissidae species described by Lamarck in 1816 and reaching about 20 cm across.

Meoma ventricosa, the red heart urchin, is a large burrowing sea urchin of the order Spatangoida found in the tropical Western Atlantic, including the Caribbean Sea and Gulf of Mexico. It lives submerged in sandy seafloor sediments and plays an important ecological role through bioturbation, reworki...

Moira clotho is a species of irregular sea urchin, commonly known as a heart urchin, belonging to the family Schizasteridae. Like other members of its family, it is a marine invertebrate adapted to a burrowing lifestyle beneath sandy or muddy ocean substrates. The scientific nomenclature references...

The Purple Heart Urchin (Spatangus purpureus) is a species of irregular sea urchin found in the northeastern Atlantic Ocean, from Norway and Iceland to the coast of West Africa, as well as throughout the Mediterranean Sea. This echinoderm typically reaches 12 centimeters in length and is characteriz...

Holaster subglobosus is an extinct species of heart urchin, a type of irregular echinoid that existed during the Cretaceous period. As a member of the Holaster genus, it possessed bilateral symmetry unlike the more common five-fold symmetry of regular sea urchins. It is commonly found as a fossil pr...

Micraster leskei is an extinct species of irregular sea urchin, classified within the heart urchin group, that existed during the Late Cretaceous epoch. The species is named in honor of the German naturalist Nathanael Gottfried Leske. Fossils of this echinoid are frequently found in marine chalk dep...

Abatus shackletoni is a species of irregular sea urchin in the family Schizasteridae, named for the Anglo-Irish Antarctic explorer Ernest Shackleton. Like other members of its family, it is a brooding heart urchin: females retain embryos in depressions among the spines rather than releasing larvae i...

Lovenia elongata is a species of heart urchin belonging to the family Loveniidae, first described by zoologist John Edward Gray in 1845. As an irregular echinoid, it has a bilateral rather than radial symmetry and is adapted for a burrowing lifestyle in soft marine sediments. The species is distribu...

Metalia spatagus is a species of heart urchin, a type of marine invertebrate, belonging to the family Metaliidae. Originally described by the Swedish taxonomist Carl Linnaeus in 1758, this echinoid is widely distributed across the Indo-Pacific region. Like other irregular sea urchins, it is adapted...

Schizaster doederleini is a Caribbean heart urchin described by Chesher in 1972; specimens have been collected off Panama at 227 metres.

Brissopsis lyrifera is a species of heart urchin, an infaunal marine invertebrate belonging to the family Brissidae. It inhabits the deeper waters of the North Atlantic Ocean and the Mediterranean Sea, where it actively burrows into soft sediment environments. The urchin is distinguishable by its el...

"Plagiobrissus grandis" is a species of large, irregular sea urchin belonging to the family Brissidae, commonly known as a heart urchin. Originally described by the German naturalist Johann Friedrich Gmelin in 1791, the species inhabits the western Atlantic Ocean. Its geographical range extends from...

Schizaster canaliferus, also recognized historically under the name Ova canaliferus, is a species of irregular sea urchin belonging to the family Schizasteridae. Originally described by Lamarck in 1816, this marine invertebrate is native to the Mediterranean Sea. Like other heart urchins, it feature...

Palaeopneustes tholoformis is a species of deep-sea spatangoid sea urchin, a type of heart urchin that inhabits the Atlantic Ocean floor. The species was formally described by the zoologist Chesher and is scientifically notable for its ecological role as a host for small symbiotic crustaceans. These...

Meoma grandis is a species of large, irregular heart urchin found in the eastern Pacific Ocean. Originally described by John Edward Gray in 1851, it is closely related to, and often treated as a subspecies of, Meoma ventricosa. These marine invertebrates live buried in sandy sea beds, where they use...

Heterobrissus hystrix is a species of irregular sea urchin belonging to the order Spatangoida, commonly known as heart urchins. It is adapted to a deep-water benthic lifestyle on soft sediment, utilizing its bilaterally symmetrical test, or shell, to burrow beneath the ocean floor. This adaptation d...

Toxaster retusus is an extinct Cretaceous heart urchin species in Toxaster, a deposit-feeding irregular echinoid genus of shallow marine sediments.

Abatus cordatus is an Antarctic-region schizasterid heart urchin described by Verrill in 1876 and listed from the Kerguelen Islands.

Brissus unicolor is a heart urchin in the family Brissidae, formally described by Nathanael Gottfried Leske in 1778. It occurs in the Mediterranean Sea and adjacent Atlantic waters, where it lives buried in sand or other soft marine sediment and feeds on organic material within the substrate. Its bi...

Schizaster floridiensis is a heart urchin described by Kier and Grant in 1965, notable for its occurrence around Florida and the Florida Keys.

Lovenia subcarinata is a species of sea urchin in the family Loveniidae, recognized by its elongated, heart-shaped test and distinct keel.

Lovenia cordiformis is an eastern Pacific heart urchin described by A. Agassiz in 1872 and recorded from sandy seafloors off California and Mexico.

Echinocardium flavescens, commonly called the yellow sea potato, is a burrowing heart urchin found in the northeastern Atlantic, including British and Irish waters. As an irregular sea urchin, it has a bilaterally organized, heart-shaped test rather than the nearly radial form of typical regular urc...

Abatus nimrodi is an Antarctic heart urchin, an irregular sea urchin in the family Schizasteridae and order Spatangoida. It has a circumpolar Southern Ocean distribution and is recorded from soft, silty or sandy seabeds, including areas of the Ross, Dumont d'Urville, and Davis seas and McMurdo Sound...

Schizaster orbignyanus is a living species of heart urchin in the family Schizasteridae, described by Alexander Agassiz in 1880. It occurs in the western Atlantic, including the Caribbean and Gulf of Mexico, and has been recorded from roughly 26 to 500 metres depth on bottoms of crushed shell, algal...