Urasterella
Temporal range: Ordovician to Devonian[1]
Urasterella asperula
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Asteroidea
Order: Platyasterida
Family: Palasteriscidae
Subfamily: Urasterellinae
Genus: Urasterella
McCoy (1851)
Species

see text

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

Urasterella is an extinct genus of sea stars 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

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