Acodontaster is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of starfish in the 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...

 Odontasteridae

Odontasteridae

Odontasteridae is a family of sea stars. Members of the family are known as cushion stars and have relatively broad discs and five short tapering arms.-Genera:The following genera are listed in the World Register of Marine Species:...

. Members of the genus are found in the Southern Ocean

Southern Ocean

The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...

, in the waters off Antarctica and the island groups nearby. Acodontaster elongatus is additionally found further north in the Atlantic Ocean on the eastern seaboard of South America.

Species

The following species are listed in the World Register of Marine Species:

• Acodontaster capitatus (Koehler, 1912)
• Acodontaster conspicuus
  Acodontaster conspicuus
  Acodontaster conspicuus is a species of starfish in the family Odontasteridae. It is found in the Southern Ocean, in the waters off Antarctica and the island groups nearby.-Description:...
  
  (Koehler, 1920)
• Acodontaster elongatus (Sladen, 1889)
• Acodontaster hodgsoni (Bell, 1908)
• Acodontaster marginatus (Koehler, 1912)