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The monophyly of Euparkeriidae (Reptilia: Archosauriformes) and the origins of Archosauria: A revision of Dorosuchus neoetus from the Mid-Triassic of Russia

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dc.contributor.author Sookias R.
dc.contributor.author Sennikov A.
dc.contributor.author Gower D.
dc.contributor.author Butler R.
dc.date.accessioned 2018-09-18T20:32:56Z
dc.date.available 2018-09-18T20:32:56Z
dc.date.issued 2014
dc.identifier.issn 0031-0239
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/141030
dc.description.abstract © The Palaeontological Association576 November 2014 10.1111/pala.12110 Original Article Original Articles © The Palaeontological Association. Euparkeria capensis is resolved as the sister taxon to Archosauria in many cladistic phylogenies and provides a key outgroup which may approximate the ancestral archosaur morphology. Several other taxa have been referred to the family Euparkeriidae, but the monophyly of this taxon remains doubtful and largely untested. To test this monophyly, the archosauriform and putative euparkeriid Dorosuchus neoetus from the Mid-Triassic of Russia is re-examined in the light of recent work on the evolution of stem archosaurs. Dorosuchus neoetus is found to possess a number of morphological features that place it close to Archosauria, including a sigmoidal femur with a clear attachment region for the m. caudifemoralis musculature, but no unambiguous archosaurian apomorphies. Dorosuchus neoetus is included for the first time in a numerical cladistic analysis and is recovered as the sole sister taxon to Archosauria + Phytosauria. A monophyletic Euparkeriidae including D. neoetus and E. capensis is slightly less parsimonious. In addition, a mandible and pterygoid that were previously referred to D. neoetus subsequent to the original description of the species are also included separately within the phylogenetic analysis and are recovered within Archosauria, possibly raising questions as to their correct taxonomic referral. However, this phylogenetic placement is based primarily on the absence of palatal teeth, but the presence or absence of palatal teeth exhibits considerable homoplasy within Archosauriformes. Based on other aspects of their morphology, we do not reject the referral of these elements to D. neoetus.
dc.relation.ispartofseries Palaeontology
dc.subject Archosauria
dc.subject Dorosuchus
dc.subject Euparkeria
dc.subject Sister taxon
dc.subject Triassic
dc.title The monophyly of Euparkeriidae (Reptilia: Archosauriformes) and the origins of Archosauria: A revision of Dorosuchus neoetus from the Mid-Triassic of Russia
dc.type Article
dc.relation.ispartofseries-issue 6
dc.relation.ispartofseries-volume 57
dc.collection Публикации сотрудников КФУ
dc.relation.startpage 1177
dc.source.id SCOPUS00310239-2014-57-6-SID84911862368


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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