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 is a genus of cushion stars. They are found in tropical waters. Some are kept in home aquariums.
Hippasteria phrygiana is a sea star species, member of the Goniasteridae family.
Hippasteria is one of 70 genera of sea star in the diverse family Goniasteridae.
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.
Poraniidae is a family of starfishes in the order Valvatida.
Evoplosoma is a genus of deep-sea sea star in the family Goniasteridae.
Circeaster is a genus of abyssal sea stars 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.
Sthenaster emmae is a species of deep sea corallivorous sea star. It is the only known species in its genus. This species in particular is found in the tropical Atlantic.
Evoplosoma claguei is a species of deep sea corallivores. This species in particular is found in seamounts in the North Pacific.
Evoplosoma voratus is a species of deep sea corallivores. This species in particular is found in seamounts in the North Pacific.
Heliaster microbrachius is a species of Asteroidea in the family Heliasteridae.
Neoferdina cumingi, also known as Cuming's sea star, is a species of starfish in the family Goniasteridae. It is native to the tropical Indo-Pacific region.
Apollonaster yucatanensis is a species of abyssal sea star within the family Goniasteridae. Its distribution is within the Gulf of Mexico and Caribbean Sea, at depths of 1135.5 meters below sea level in benthic environments.
