Extending the footprint record of Pareiasauromorpha to the Cisuralian : earlier appearance and wider palaeobiogeography of the group
Marchetti, Lorenzo (Leibniz-Institut f€ur Evolutions-und Biodiversit€atsforschung)
Voigt, Sebastian (Urweltmuseum Geoskop)
Mujal, Eudald (Institut Català de Paleontologia Miquel Crusafont)
Lucas, Spencer G. (New Mexico Museum of Natural History and Science)
Francischini, Heitor (Universidade Federal do Rio Grande do Sul. Laboratorio de Paleontologia de Vertebrados)
Fortuny, Josep (Institut Català de Paleontologia Miquel Crusafont)
Santucci, Vincent (National Park Service. Geologic Resources Division (Washington, Estats Units))

Date:	2021
Abstract:	Pareiasauromorpha is one of the most important tetrapod groups of the Permian. Skeletal evidence suggests a late Kungurian origin in North America, whereas the majority of occurrences come from the Guadalupian and Lopingian of South Africa and Russia. However, Pareiasauromorpha footprints include the ichnogenus Pachypes, which is unknown from strata older than late Guadalupian. A revision of several Pachypes-like footprints from the Cisuralian-Guadalupian of Europe and North America confirm the occurrence of this ichnogenus and of the ichnospecies Pachypes ollieri comb. nov. beginning in the Artinskian. This is the earliest known occurrence of Pachypes and it coincides with the Artinskian reptile radiation. Based on a synapomorphy-based track-trackmaker correlation, P. ollieri can be attributed to nycteroleter pareiasauromorphs such as Macroleter. Therefore, the earliest occurrences of pareiasauromorph footprints precede by at least 10 myr the earliest occurrence of this group in the skeletal record. Moreover, the palaeobiogeography of the group is extended to the Cisuralian and Guadalupian of western Europe.
Grants:	Agencia Estatal de Investigación CGL2017-82654-P Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-86 Agència de Gestió d'Ajuts Universitaris i de Recerca 2013/CTP00013
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	Pareiasauromorpha ; Pachypes ; Cisuralian-Guadalupian ; Tetrapod footprint ; Reptile radiatio
Published in:	Papers in Palaeontology, Vol. 7, issue 3 (2021) , p. 1297-1319, ISSN 2056-2802

DOI: 10.1002/spp2.1342

23 p, 20.1 MB

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Research literature > UAB research groups literature > Research Centres and Groups (research output) > Experimental sciences > Institut Català de Paleontologia Miquel Crusafont (ICP)
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