Jump to content

Urasterella

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Caftaric (talk | contribs) at 17:06, 6 May 2016 (Category:Prehistoric echinoderm genera). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Urasterella
Temporal range: 460.5–388.1 Ma Ordovician to Devonian[1]
Urasterella asperula
Scientific classification
Kingdom:
Phylum:
Subphylum:
Class:
Order:
Family:
Subfamily:
Genus:
Urasterella

McCoy (1851)
Species

see text

Synonyms
  • Palasteracanthion
  • Phillipaster
  • Protasteracanthion
  • Roemeraster
  • Salteraster
  • Ulrichaster

Urasterella is an extinct genus of Sea star that lived from the Ordovician to the Devonian.[1] Its fossils are known from Europe, North America and southern Africa.[1]

Species

There have been a number of species assigned or transferred to the genus since its description in 1851.[1]

  • U. asperrimus
  • U. asperula (syn. Protasteracanthion primus)
  • U. biradialis (syn. Salteraster biradialis)
  • U. constellata
  • U. coronella (syn. Salteraster coronella)
  • U. creswelli
  • U. grandis
  • U. gutterfordensis
  • U. huxleyi
  • U. imbricatus (syn. Salteraster imbricatus)
  • U. montana
  • U. pulchella
  • U. ruthveni
  • U. selwyni (syn. Salteraster selwyni)
  • U. thraivensis
  • U. ulrichi

Sources