Goniasteridae are a large family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of sea star

Sea star

Starfish or sea stars are echinoderms belonging to the class Asteroidea. The names "starfish" and "sea star" essentially refer to members of the class Asteroidea...

s. About 260 extant species within 70 genera are currently known. They occur predominantly on deep-water continental shelf

Continental shelf

The continental shelf is the extended perimeter of each continent and associated coastal plain. Much of the shelf was exposed during glacial periods, but is now submerged under relatively shallow seas and gulfs, and was similarly submerged during other interglacial periods. The continental margin,...

 habitats in all the world’s oceans, being the most diverse in the Indo-Pacific

Indo-Pacific

The Indo-Pacific is a biogeographic region of the Earth's seas, comprising the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two in the general area of Indonesia...

 region. Goniasteridae are usually middle-sized sea stars with a characteristic double range of marginal plates bordering the disk and arms.

The family includes the following genera:

Akelbaster Anthenoides Apollonaster Astroceramus Astrothauma Atelorias Calliaster Calliderma Ceramaster Ceramaster Ceramaster is a genus of cushion stars. The species in this genus have no arms. They live in deeper waters than most sea stars.-Species list:Note: this list is incomplete*Ceramaster arcticus - Arctic cookie star*Ceramaster clarki... Chitonaster Circeaster Cladaster Cryptopeltaster Diplasiaster Eknomiaster Enigmaster Eratosaster Evoplosoma Floriaster Gephyreaster

Gilbertaster Glyphodiscus Goniaster Goniodiscus Hippasteria Iconaster Kermitaster Lithosoma Litonotaster Lydiaster Mabahissaster Mediaster Milteliphaster Mimaster Nectria Neoferdina Neoferdina Neoferdina is a genus of starfish in the family Goniasteridae. Members of the genus are found in the Indo-Pacific region, mostly between the Andaman Isles to the West and the Wake Isles, the Marshall Isles and Fiji to the east... Notioceramus Nymphaster Ogmaster Paragonaster

Peltaster Pentagonaster Pentoplia (a junior synonym of Chitonaster) Pergamaster Perissogonaster Pillsburiaster Plinthaster Pontioceramus Pseudarchaster Pseudoceramaster Rosaster Ryukuaster Siraster Sphaeriodiscus Stellaster Stellasteropsis Stephanaster Tessellaster Toraster Tosia