Platanaster
{{Short description|Extinct genus of starfishes}}
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Platanaster ('plate star') is an extinct genus of sea stars.
Taxonomy
- †Urasterellinae
- †Cnemidactis
- †C. girvanensis
- †Urasterella
- †U. asperrimus
- †Palasteriscinae
- †Lanthanaster{{cite journal |last1=Blake |first1=Daniel B. |title=Two Late Ordovician asteroids (Echinodermata) with characters suggestive of early ophiuroids |journal=Journal of Paleontology |date=November 2007 |volume=81 |issue=6 |pages=1476–1485 |doi=10.1666/05-130.1 |bibcode=2007JPal...81.1476B |s2cid=131513655 |url=https://pubs.geoscienceworld.org/jpaleontol/article/81/6/1476/139767/TWO-LATE-ORDOVICIAN-ASTEROIDS-ECHINODERMATA-WITH|url-access=subscription }}
- †L. cruciformis
- †Platanaster
- †P. ordovicus {{cite journal |last1=Blake |first1=Daniel B. |title=Re-Evaluation of the Palasteriscidae Gregory, 1900, and the Early Phylogeny of the Asteroidea (Echinodermata) |journal=Journal of Paleontology |date=1994 |volume=68 |issue=1 |pages=123–134 |doi=10.1017/S0022336000025646 |jstor=1306091 |bibcode=1994JPal...68..123B |s2cid=132568577 |url=https://www.jstor.org/stable/1306091 |issn=0022-3360|url-access=subscription }}
- †Baliactis
- †B. ordovicus
References
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Category:Prehistoric starfish genera
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