Hypselohaptodus

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Hypselohaptodus
Temporal range: Cisuralian, 299–296.4 Ma
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Sphenacomorpha
Clade: Sphenacodontia
Genus: †Hypselohaptodus
Spindler, 2019
Species:
†H. grandis
Binomial name
†Hypselohaptodus grandis
(Paton, 1974)

Hypselohaptodus is a genus of sphenacodont synapsid from the Cisuralian of England. It contains a single species, Hypselohaptodus grandis, and is known only from a single specimen, a partial left maxilla, which is hosted at the Warwick County Museum. It was collected at Kenilworth, Warwickshire, England, from the Kenilworth Sandstone Formation (Warwickshire Group), dating to the earliest Asselian stage of the Cisuralian series, about 299 million years ago.[1]

H. grandis was originally assigned to Haptodus by Paton in 1974. In 2015 it was determined that H. grandis and Haptodus garnettensis were not congeneric with Haptodus baylei [2] and in 2019 Frederik Spindler reassigned H. grandis to a new genus, Hypselohaptodus.[3]

References

  1. ^ R. L. Paton (1974). "Lower Permian Pelycosaurs from the English Midlands". Palaeontology. 17 (3): 541–552.
  2. ^ http://tubaf.qucosa.de/api/qucosa%3A22988/attachment/ATT-0/ [dead link]
  3. ^ Spindler, Frederik (15 August 2019). "Re-evaluation of an early sphenacodontian synapsid from the Lower Permian of England" (PDF). Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 111: 27–37. doi:10.1017/S175569101900015X. S2CID 202192911. Retrieved 8 October 2019.
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