| Poraniopsis | |
|---|---|
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| Poraniopsis inflata | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Order: | Valvatida |
| Family: | Poraniidae |
| Genus: | Poraniopsis Perrier, 1891 [1] |
| Species | |
see text | |
| Synonyms [1] | |
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Poraniopsis is a genus of starfish in the family Poraniidae in the order Valvatida. Poraniopsis echinaster is the type species. [1]
The following species are recognised: [1]
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.
The Echinasteridae are a family of starfish in the monotypic order Spinulosida. The family includes eight genera and about 133 species found on the seabed in various habitats around the world.
The Asterinidae are a large family of sea stars in the order Valvatida.
The Astropectinidae are a family of sea stars in the order Paxillosida. Usually, these starfish live on the seabed and immerse themselves in soft sediment such as sand and mud.
The Asteriidae are a diverse family of Asteroidea in the order Forcipulatida. It is one of three families in the order Forcipulatida.
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.
The Spinulosida are an order of sea stars containing at least 120 species in seven genera and one family.
The Brisingids are deep-sea-dwelling starfish in the order Brisingida.
Hippasteria is one of 70 genera of sea star in the diverse family Goniasteridae.
The orange knobby star, Echinaster echinophorus, is a species of sea star found in the Caribbean Sea and along the Atlantic coast of South America.
Echinaster spinulosus, the small spine sea star, is a species of sea star found in shallow parts of the western Atlantic Ocean, the Caribbean Sea and Gulf of Mexico.
Echinaster sepositus, the Mediterranean red sea star, is a species of starfish from the East Atlantic, including the Mediterranean Sea.
Poraniidae is a family of starfishes in the order Valvatida.
Poraniopsis inflata, the spiny sea star, is a species of starfish in the family Poraniidae. It is native to the Pacific Ocean and is found in deep water off the coast of North America.
Anasterias is a genus of starfish in the family Asteriidae.
Myxasteridae is a family of deep-sea velatid sea stars containing nine species in three genera.
Diplasterias is a genus of starfish in the family Asteriidae.
Echinaster luzonicus, the Luzon sea star, is a species of starfish in the family Echinasteridae, found in shallow parts of the western Indo-Pacific region. It sometimes lives symbiotically with a copepod or a comb jelly, and is prone to shed its arms, which then regenerate into new individuals.
Coeloplana astericola, the creeping comb jelly, is a species of benthic comb jelly from the tropical western Indo-Pacific region that lives as an episymbiont on starfish such as Echinaster luzonicus.
Echinaster callosus, the warty sea star or the banded bubble star, is a species of starfish found in shallow parts of the western Indo-Pacific region. The disc and five slender arms are covered with white, pink, red or violet warts, often forming transverse bands of colour on the arms.
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