| Hippasteria | |
|---|---|
 | |
| Hippasteria phrygiana | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Order: | Valvatida |
| Family: | Goniasteridae |
| Subfamily: | Hippasterinae |
| Genus: | Hippasteria Gray, 1840 [1] |
| Synonyms | |
Hippasteria (Euhippasteria)Dons, 1938 Contents | |
Hippasteria is one of 70 genera of sea stars in the diverse family Goniasteridae. [1]
These sea stars are regular, five-armed starfishes, with a large and flattened central disc. Most of the species in this genus live in deep seas, where they seem to be predators of deep sea coral and cnidarians. [2]
The species Hippasteria phrygiana may be one of the most widely distributed species : it is present in the 3 main oceanic basins. [3]
According to the World Register of Marine Species (WoRMS), the genus Hippasteria is composed of the following twelve species: [1]
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.
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.
Culcita novaeguineae is a species of starfish. It has short arms and an inflated appearance and resembles a pentagonal pincushion. It is variable in colour and can be found in tropical warm waters in the Indo-Pacific.
Culcita is a genus of sea stars. They are found in tropical waters. Some are kept in home aquariums.
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.
Hippasteria phrygiana is a sea star species, a member of the Goniasteridae family.
Cidaridae is a family of sea urchins in the order Cidaroida.
Fromia monilis, common name necklace starfish or tiled starfish, is a species of starfish belonging to the family Goniasteridae.
Fromia is a genus of starfish belonging to the family Goniasteridae.
Iconaster longimanus, the icon star or double star, is a species of starfish in the family Goniasteridae. It is found in the west and central Indo-Pacific Ocean. The genus name comes from the Greek eikon, meaning portrait or image and possibly referring to the way the marginal plates frame the disc, and aster, meaning star. The specific name comes from the Latin longus manus and refers to the long, slender arms.
Trophodiscus is a genus of starfish in the family Astropectinidae. There are only two species, both found in fairly deep waters in the Sea of Okhotsk. Trophodiscus almus is also found in the Sea of Japan and around the Japanese island of Hokkaido. These starfish are very unusual in that the young are brooded on the upper surface of the female.
Bathyporania ascendens is a species of starfish in the family Poraniidae, and the only species of the genus Bathyporania. It is native to the Pacific Ocean and is found in deep water off the coast of North America.
Clavaporania fitchorum is a species of starfish in the family Poraniidae. It is the only known species of the genus Clavaporania. It is native to the South Pacific Ocean and is found in deep water off the coast of Australia.
Evoplosoma is a genus of deep-sea sea star in the family Goniasteridae.
Astroceramus is a genus of abyssal sea stars in the family Goniasteridae.
Apollonaster is a genus of abyssal sea stars in the family Goniasteridae. They can be identified by their bare abactinal plate surfaces and multiple accessory granule rows on their abactinal plates. To date, Apollonaster has been found in the tropical Atlantic region and Hawaiian Islands region oceans, with no other locations or species being known as of 2015.
Hippasteria muscipula is one of twelve species of deep-sea sea star in the genus Hippasteria, which is in the family Goniasteridae.
Mediaster is a genus of starfish in the family Goniasteridae. It was circumscribed in 1857 by William Stimpson for M. aequalis, the genus's type species. Its junior synonym is the genus Isaster, which was circumscribed in 1894 by Addison Emery Verrill for the species now known as M. bairdi. Verrill himself synonymized the two genus names in 1899.
Paulasterias mcclaini is a species of starfish in the family Paulasteriidae. It is found in deep water at hydrothermal vents.
Paulasterias tyleri is a species of starfish in the family Paulasteriidae. It is found in deep water at hydrothermal vents in the Antarctic. It is the type species of the newly erected genus Paulasterias, the only other member of the genus being Paulasterias mcclaini.
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