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Hylonomus lyelli Dawson 1860 (eureptile)

Reptilia - Eureptilia - Protorothyrididae

PaleoDB taxon number: 139093

Synonyms: Fritschia curtidentata Dawson 1876 (no. 139143), Hylerpeton curtidentatum Dawson 1876 (no. 139140)

Full reference: J. W. Dawson. 1860. On a Terrestrial Mollusk, a Chilognathous Myriapod, and some New Species of Reptiles, from the Coal-Formation of Nova Scotia. Quarterly Journal of the Geological Society of London 16:268-277

Belongs to Hylonomus according to R. L. Carroll 1964

Sister taxa: Hylonomus acuminatus, Hylonomus latidens, Hylonomus wymani

Type specimens:

  • Hylonomus lyelli: BMNH R4168, a partial skeleton (almost complete, but badly disarticulated). Its type locality is Coal Mine Point; Divison 4, Section XV, coal-group 15, which is in a Westphalian A mire/swamp sandstone/coal in the Joggins Formation of Canada.
  • Hylerpeton curtidentatum: RM 2.1126, a partial skeleton (disarticulated elements of skull and few postcrania). Its type locality is Coal Mine Point; Divison 4, Section XV, coal-group 15, which is in a Westphalian A mire/swamp sandstone/coal in the Joggins Formation of Canada.

Ecology: