Aytonerpeton

Aytonerpeton; Temporal range: Early Carboniferous, Tournaisian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Stegocephalia
Genus:	†Aytonerpeton; Clack et al., 2016
Type species
	†Aytonerpeton microps; Clack et al., 2016

Aytonerpeton is an extinct genus of stem-tetrapod from the Ballagan Formation of Scotland. It was one of five new genera of early limbed vertebrates from the Ballagan Formation described by Clack et al. in 2016. These vertebrates were among the only known in the world from a period of time known as Romer's gap. Romer's gap, which spans most of the Mississippian age of the Carboniferous, is characterized by a comparative rarity of tetrapod and stem-tetrapod fossils compared to the periods of time directly older and younger than it. However, Aytonerpeton and other Ballagan stem-tetrapods help to close in this gap in the vertebrate fossil record.[1]

References

Clack, Jennifer A.; Bennett, Carys E.; Carpenter, David K.; Davies, Sarah J.; Fraser, Nicholas C.; Kearsey, Timothy I.; Marshall, John E. A.; Millward, David; Otoo, Benjamin K. A. (2016-12-05). "Phylogenetic and environmental context of a Tournaisian tetrapod fauna". Nature Ecology & Evolution. 1 (1): 0002. doi:10.1038/s41559-016-0002. ISSN 2397-334X. PMID 28812555.

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[1] Clack, Jennifer A.; Bennett, Carys E.; Carpenter, David K.; Davies, Sarah J.; Fraser, Nicholas C.; Kearsey, Timothy I.; Marshall, John E. A.; Millward, David; Otoo, Benjamin K. A. (2016-12-05). "Phylogenetic and environmental context of a Tournaisian tetrapod fauna". Nature Ecology & Evolution. 1 (1): 0002. doi:10.1038/s41559-016-0002. ISSN 2397-334X. PMID 28812555.