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dc.contributor.author
Brusatte, Stephen L.
dc.contributor.author
Benton, Michael J.
dc.contributor.author
Desojo, Julia Brenda
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dc.contributor.author
Langer, Max C.
dc.date.available
2019-01-31T16:33:43Z
dc.date.issued
2010-03
dc.identifier.citation
Brusatte, Stephen L.; Benton, Michael J.; Desojo, Julia Brenda; Langer, Max C.; The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida); Taylor & Francis; Journal of Systematic Palaeontology; 8; 1; 3-2010; 3-47
dc.identifier.issn
1477-2019
dc.identifier.uri
http://hdl.handle.net/11336/69099
dc.description.abstract
Crown group Archosauria, which includes birds, dinosaurs, crocodylomorphs, and several extinct Mesozoic groups, is a primary division of the vertebrate tree of life. However, the higher-level phylogenetic relationships within Archosauria are poorly resolved and controversial, despite years of study. The phylogeny of crocodile-line archosaurs (Crurotarsi) is particularly contentious, and has been plagued by problematic taxon and character sampling. Recent discoveries and renewed focus on archosaur anatomy enable the compilation of a new dataset, which assimilates and standardizes character data pertinent to higher-level archosaur phylogeny, and is scored across the largest group of taxa yet analysed. This dataset includes 47 new characters (25% of total) and eight taxa that have yet to be included in an analysis, and total taxonomic sampling is more than twice that of any previous study. This analysis produces a well-resolved phylogeny, which recovers mostly traditional relationships within Avemetatarsalia, places Phytosauria as a basal crurotarsan clade, finds a close relationship between Aetosauria and Crocodylomorpha, and recovers a monophyletic Rauisuchia comprised of two major subclades. Support values are low, suggesting rampant homoplasy and missing data within Archosauria, but the phylogeny is highly congruent with stratigraphy. Comparison with alternative analyses identifies numerous scoring differences, but indicates that character sampling is the main source of incongruence. The phylogeny implies major missing lineages in the Early Triassic and may support a Carnian-Norian extinction event.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Taylor & Francis
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Crocodylomorpha
dc.subject
Crurotarsi
dc.subject
Dinosauria
dc.subject
Mesozoic
dc.subject
Rauisuchians
dc.subject
Triassic
dc.subject.classification
Paleontología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-01-30T13:56:00Z
dc.journal.volume
8
dc.journal.number
1
dc.journal.pagination
3-47
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Brusatte, Stephen L.. University of Bristol; Reino Unido
dc.description.fil
Fil: Benton, Michael J.. University of Bristol; Reino Unido
dc.description.fil
Fil: Desojo, Julia Brenda. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina. Bayerische Staatssammlung fur Paläontologie und Geologie; Alemania
dc.description.fil
Fil: Langer, Max C.. Universidade de Sao Paulo; Brasil
dc.journal.title
Journal of Systematic Palaeontology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/14772010903537732
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1080/14772010903537732
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