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Types of sea Stars

Brisingida​
Brisingida​

Downey. M.E. (1986). Revision of the Atlantic Brisingida (Echinodermata: Asteroidea), with description of a new genus and family. Smithsonian Contributions to Zoology No.435. 57pp. [details] Fisher, W.K. (1917). New genera and species of Brisingidae. Annals and Magazine of Natural History 20(8): 418-431. [details] Sladen, W.P. (1889).

Choriaster ​Granulatus​
Choriaster ​Granulatus​

Members of the class Asteroidea exhibit both asexual (regeneration and clonal) and sexual (gonochoric) means of reproduction. Life cycle: Embryos hatch into planktonic larvae and later metamorphose into pentamorous juveniles which develop into young sea stars with stubby arms.

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Forcipulatida​
Forcipulatida​

The Forcipulatida are an order of sea stars, containing three families and 49 genera

Notomyotida​
Notomyotida​

Starfish, such as the ochre sea star (Pisaster ochraceus) and the reef sea star (Stichaster australis), have become widely known as examples of the keystone species concept in ecology. The tropical crown-of-thorns starfish (Acanthaster planci) is a voracious predator of coral throughout the Indo-Pacific region, and the northern Pacific sea star is considered to be one of the world's 100 worst invasive species.

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Paxillosida​
Paxillosida​

Starfish, such as the ochre sea star (Pisaster ochraceus) and the reef sea star (Stichaster australis), have become widely known as examples of the keystone species concept in ecology. The tropical crown-of-thorns starfish (Acanthaster planci) is a voracious predator of coral throughout the Indo-Pacific region, and the northern Pacific sea star is considered to be one of the world's 100 worst invasive species.

Solasteridae​
Solasteridae​

Starfish, such as the ochre sea star (Pisaster ochraceus) and the reef sea star (Stichaster australis), have become widely known as examples of the keystone species concept in ecology. The tropical crown-of-thorns starfish (Acanthaster planci) is a voracious predator of coral throughout the Indo-Pacific region, and the northern Pacific sea star is considered to be one of the world's 100 worst invasive species.

image: snipview.com
Spinulosida​
Spinulosida​

Classification of Southern California Sea Stars Phylum to Order or Suborder. The Bat star is a sea star that belongs to the Order Spinulosida. The classification is outlined below: Phylum Echinodermata. Class Stelleroidea. Subclass Asteroidea. Order Spinulosida. The Subclass Asteroidea has three Order of which the Bat star belongs to the Spinulosida.

Valvatida​
Valvatida​

The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families. Description. The order encompasses both tiny species, which are only a few millimetres in diameter, like those in the genus Asterina, and species which can reach up to 75 cm, such as species in the genus Thromidia.