The petrosal and basicranial morphology of Protoceras celer.

Protoceratids are an extinct family of endemic North American artiodactyls. The phylogenetic position of protoceratids in relation to camelids and ruminants has been contentious for over a century. The petrosal morphology of basal (Leptotragulus) and derived (Syndyoceras) protoceratids has suggested...

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Autores principales:	Selina Viktor Robson, Brendon Seale, Jessica M Theodor
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0ac89a463f0d4765ae5f632ec8c83f49
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spelling	oai:doaj.org-article:0ac89a463f0d4765ae5f632ec8c83f492021-12-02T20:04:47ZThe petrosal and basicranial morphology of Protoceras celer.1932-620310.1371/journal.pone.0251832https://doaj.org/article/0ac89a463f0d4765ae5f632ec8c83f492021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251832https://doaj.org/toc/1932-6203Protoceratids are an extinct family of endemic North American artiodactyls. The phylogenetic position of protoceratids in relation to camelids and ruminants has been contentious for over a century. The petrosal morphology of basal (Leptotragulus) and derived (Syndyoceras) protoceratids has suggested that protoceratids are closely related to ruminants, whereas a prior description of a disarticulated intermediate protoceratid petrosal (Protoceras celer) indicated that protoceratids were closely related to camelids. This contradictory evidence implied that there were several character reversals within the protoceratid lineage and brought into question the utility of basicranial characters in artiodactyl phylogenetics. Here, we provide descriptions of an additional P. celer petrosal. The descriptions are based on data produced by computed tomography scans, which allowed us to image the petrosal in situ in the skull. Our results indicate that the petrosal morphology of P. celer is similar to that of other protoceratids, implying that, contrary to previous evidence, petrosal morphology is conserved within the Protoceratidae.Selina Viktor RobsonBrendon SealeJessica M TheodorPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0251832 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Selina Viktor Robson Brendon Seale Jessica M Theodor The petrosal and basicranial morphology of Protoceras celer.
description	Protoceratids are an extinct family of endemic North American artiodactyls. The phylogenetic position of protoceratids in relation to camelids and ruminants has been contentious for over a century. The petrosal morphology of basal (Leptotragulus) and derived (Syndyoceras) protoceratids has suggested that protoceratids are closely related to ruminants, whereas a prior description of a disarticulated intermediate protoceratid petrosal (Protoceras celer) indicated that protoceratids were closely related to camelids. This contradictory evidence implied that there were several character reversals within the protoceratid lineage and brought into question the utility of basicranial characters in artiodactyl phylogenetics. Here, we provide descriptions of an additional P. celer petrosal. The descriptions are based on data produced by computed tomography scans, which allowed us to image the petrosal in situ in the skull. Our results indicate that the petrosal morphology of P. celer is similar to that of other protoceratids, implying that, contrary to previous evidence, petrosal morphology is conserved within the Protoceratidae.
format	article
author	Selina Viktor Robson Brendon Seale Jessica M Theodor
author_facet	Selina Viktor Robson Brendon Seale Jessica M Theodor
author_sort	Selina Viktor Robson
title	The petrosal and basicranial morphology of Protoceras celer.
title_short	The petrosal and basicranial morphology of Protoceras celer.
title_full	The petrosal and basicranial morphology of Protoceras celer.
title_fullStr	The petrosal and basicranial morphology of Protoceras celer.
title_full_unstemmed	The petrosal and basicranial morphology of Protoceras celer.
title_sort	petrosal and basicranial morphology of protoceras celer.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/0ac89a463f0d4765ae5f632ec8c83f49
work_keys_str_mv	AT selinaviktorrobson thepetrosalandbasicranialmorphologyofprotocerasceler AT brendonseale thepetrosalandbasicranialmorphologyofprotocerasceler AT jessicamtheodor thepetrosalandbasicranialmorphologyofprotocerasceler AT selinaviktorrobson petrosalandbasicranialmorphologyofprotocerasceler AT brendonseale petrosalandbasicranialmorphologyofprotocerasceler AT jessicamtheodor petrosalandbasicranialmorphologyofprotocerasceler
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The petrosal and basicranial morphology of Protoceras celer.

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