Urasterella
{{Short description|Extinct genus of starfishes}}
{{Automatic Taxobox
| fossil_range = {{fossilrange|460.5|388.1}}Ordovician to Devonian
| image = Urasterella_asperula.jpg
| image_caption = Urasterella asperula
| taxon = Urasterella
| authority = McCoy (1851)
| subdivision_ranks = Species
| subdivision =
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. Its fossils are known from Europe, North America and southern Africa.
Species
There have been a number of species assigned or transferred to the genus since its description in 1851.[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=31404 Paleobiology Database] The Paleobiology Database Urasterella entry
- 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
{{Reflist}}
- [http://www.fieldmuseum.org/evolvingplanet/popUps/SD48.html Urasterella (syn. Roemeraster)] in the Field Museum's Evolving Planet
{{Taxonbar|from=Q7899796}}
Category:Prehistoric starfish genera
Category:Prehistoric animals of Europe
Category:Darriwilian first appearances
Category:Middle Devonian genus extinctions
Category:Paleozoic life of Ontario
{{paleo-asteroidea-stub}}