Astropecten is a genus of sea stars of the family Astropectinidae.
The Asteriidae are a diverse family of Asteroidea in the order Forcipulatida. It is one of three families in the order Forcipulatida.
Coscinasterias is a genus of sea stars of the family Asteriidae.
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 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.
The Brisingids are deep-sea-dwelling starfish in the order Brisingida.
Henricia is a large genus of slender-armed sea stars belonging to the family Echinasteridae. It contains about fifty species.
The Oreasteridae are a family of sea stars in the class Asteroidea.
Goniodiscaster is a genus of sea stars in the family Oreasteridae.
Luidia is a genus of starfish in the family Luidiidae in which it is the only genus. Species of the family have a cosmopolitan distribution.
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.
Circeaster is a genus of abyssal sea stars in the family Goniasteridae.
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.
Stylocidaris is a genus of echinoderms belonging to the family Cidaridae.
Ophiura is a genus of echinoderms belonging to the family Ophiuridae.
Ophidiaster is a genus of echinoderms belonging to the family Ophidiasteridae.
Ophiarachnella is a genus of echinoderms belonging to the family Ophiodermatidae.
