Urasterella
Urasterella Temporal range: 460.5–388.1 Ma | |
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Urasterella asperula | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Subphylum: | Eleutherozoa |
Class: | Asteroidea |
Order: | Platyasterida |
Family: | Palasteriscidae |
Subfamily: | Urasterellinae |
Genus: | Urasterella McCoy (1851) |
Species | |
see text | |
Synonyms | |
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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
- 1 2 3 4 http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=31404&is_real_user=1 The Paleobiology Database Urasterella entry
- Urasterella (syn. Roemeraster) in the Field Museum's Evolving Planet
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