| Ceramaster | |
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| Ceramaster granularis | |
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| Genus: | Ceramaster |
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Ceramaster is a genus of cushion stars in the family Goniasteridae. The species in this genus have no arms. They live in deeper waters than most sea stars.
Species in this genus include:
Note: Ceramaster placenta Fisher, 1911 is now accepted as Peltaster placenta (Müller & Troschel, 1842) [2]
Asterias is a genus of the Asteriidae family of sea stars. It includes several of the best-known species of sea stars, including the (Atlantic) common starfish, Asterias rubens, and the northern Pacific seastar, Asterias amurensis. The genus contains a total of eight species in all. All species have five arms and are native to shallow oceanic areas of cold to temperate parts of the Holarctic. These starfish have planktonic larvae. Asterias amurensis is an invasive species in Australia and can in some years become a pest in the Japanese mariculture industry.
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.
Astropecten is a genus of sea stars of the family Astropectinidae.
Goniasteridae constitute the largest family of sea stars, included in the order Valvatida. They are mostly deep-dwelling species, but the family also include several colorful shallow tropical species.
Ceramaster patagonicus, the cookie star, is a species of sea star. It is bright orange or yellow in colour. Its arms are short and it has no spines. It is a deep water species and lives on rocky sea beds. Its diet includes sponges.
Henricia is a large genus of slender-armed sea stars belonging to the family Echinasteridae. It contains about fifty species.
Astropecten irregularis is a sea star of the family Astropectinidae. Common names include Sand sea star.
The Solasteridae are a family of sea stars.
The Brisingidae are a family of starfish found only in the deep sea. They inhabit both the Atlantic and Pacific Oceans at abyssal depths, and also occur in the Southern Ocean and around Antarctica at slightly shallower depths.
The Freyellidae are a family of deep-sea-dwelling starfish. It is one of two families in the order Brisingida. The majority of species in this family are found in Antarctic waters and near Australia. Other species have been found near New Zealand and the United States.
Psilaster is a genus of sea stars of the family Astropectinidae.
Myxasteridae is a family of deep-sea velatid sea stars containing nine species in three genera.
Crossaster is a genus of sea stars in the family Solasteridae.
Pteraster is a genus of sea stars in the family Pterasteridae.
Brisinga is a genus of starfish in the family Brisingidae. The species in this genus are primarily found in deep sea habitats.
Freyella is a genus of deep-sea-dwelling starfish in the order Brisingida.
Abatus is a genus of sea urchins belonging to the family Schizasteridae.
Ophidiaster is a genus of echinoderms belonging to the family Ophidiasteridae.
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