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Citation for Study 13015

Citation title: "Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora). ".

Study name: "Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora). ".

This study is part of submission 13015 (Status: Published).

Citation

Thompson R.S., Parish J.C., Maidment S.C., & Barrett P.M. 2011. Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora). Journal of Systematic Palaeontology, : 301-312.

Authors

• Thompson R.S.
• Parish J.C.
• Maidment S.C.
• Barrett P.M.

Abstract

Ankylosauria is a diverse clade of quadrupedal ornithischian dinosaurs whose remains are known from Middle Jurassic to latest Cretaceous sediments worldwide. Despite a long history of research, ankylosaur interrelationships remain poorly resolved and existing cladistic analyses suffer from limited character and taxon sampling. Here, we present the most comprehensive phylogenetic analysis of the group attempted to date. The traditional ankylosaurid?nodosaurid dichotomy is maintained. Ankylosauridae forms a well-resolved clade, which includes Zhongyuansaurus, the first ankylosaurid known to lack a tail club. Nodosauridae includes a number of taxa that were resolved either as ?polacanthids? or basal ankylosaurids in previous analyses. The use of a broader character sample allows analysis of the interrelationships of all valid ankylosaur species; this has revealed several previously unrecognized relationships. Stegosauria is recovered as the sister taxon to Ankylosauria, while Scelidosaurus is found to be a basal thyreophoran. Dedicated methods for coding continuous characters could be used in future to improve the resolution of ankylosaur phylogeny, particularly in order to explore the relationships within the poorly resolved nodosaurid clade.

Keywords

Ankylosauridae; Nodosauridae; cladistic analysis; dinosaur; evolution; phylogeny; polacanthid

External links

• DOI: 10.1080/14772019.2011.569091
• Other URL: http://www.graemetlloyd.com/matr.html

About this resource

• Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S13015
• Other versions: Nexus NeXML
• Show BibTeX reference

  		@ARTICLE{TreeBASE2Ref20991,
  	 author = {Richard S. Thompson and Jolyon C. Parish and Susannah C. R. Maidment and Paul M. Barrett},
  	 title = {Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora).	},
  	 year = {2011},
  	 keywords = {Ankylosauridae; Nodosauridae; cladistic analysis; dinosaur; evolution; phylogeny; polacanthid},
  	 doi = {10.1080/14772019.2011.569091},
  	 url = {http://www.graemetlloyd.com/matr.html},
  	 pmid = {},
  	 journal = {Journal of Systematic Palaeontology},
  	 volume = {},
  	 number = {},
  	 pages = {301--312},
  	 abstract = {Ankylosauria is a diverse clade of quadrupedal ornithischian dinosaurs whose remains are known from Middle Jurassic to latest Cretaceous sediments worldwide. Despite a long history of research, ankylosaur interrelationships remain poorly resolved and existing cladistic analyses suffer from limited character and taxon sampling. Here, we present the most comprehensive phylogenetic analysis of the group attempted to date. The traditional ankylosaurid?nodosaurid dichotomy is maintained. Ankylosauridae forms a well-resolved clade, which includes Zhongyuansaurus, the first ankylosaurid known to lack a tail club. Nodosauridae includes a number of taxa that were resolved either as ?polacanthids? or basal ankylosaurids in previous analyses. The use of a broader character sample allows analysis of the interrelationships of all valid ankylosaur species; this has revealed several previously unrecognized relationships. Stegosauria is recovered as the sister taxon to Ankylosauria, while Scelidosaurus is found to be a basal thyreophoran. Dedicated methods for coding continuous characters could be used in future to improve the resolution of ankylosaur phylogeny, particularly in order to explore the relationships within the poorly resolved nodosaurid clade.}
  }
  		

• Show RIS reference

  		TY  - JOUR
  ID  - 20991
  AU  - Thompson,Richard S.
  AU  - Parish,Jolyon C.
  AU  - Maidment,Susannah C. R.
  AU  - Barrett,Paul M.
  T1  - Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora).	
  PY  - 2011
  KW  - Ankylosauridae; Nodosauridae; cladistic analysis; dinosaur; evolution; phylogeny; polacanthid
  UR  - http://www.graemetlloyd.com/matr.html
  N2  - Ankylosauria is a diverse clade of quadrupedal ornithischian dinosaurs whose remains are known from Middle Jurassic to latest Cretaceous sediments worldwide. Despite a long history of research, ankylosaur interrelationships remain poorly resolved and existing cladistic analyses suffer from limited character and taxon sampling. Here, we present the most comprehensive phylogenetic analysis of the group attempted to date. The traditional ankylosaurid?nodosaurid dichotomy is maintained. Ankylosauridae forms a well-resolved clade, which includes Zhongyuansaurus, the first ankylosaurid known to lack a tail club. Nodosauridae includes a number of taxa that were resolved either as ?polacanthids? or basal ankylosaurids in previous analyses. The use of a broader character sample allows analysis of the interrelationships of all valid ankylosaur species; this has revealed several previously unrecognized relationships. Stegosauria is recovered as the sister taxon to Ankylosauria, while Scelidosaurus is found to be a basal thyreophoran. Dedicated methods for coding continuous characters could be used in future to improve the resolution of ankylosaur phylogeny, particularly in order to explore the relationships within the poorly resolved nodosaurid clade.
  L3  - 10.1080/14772019.2011.569091
  JF  - Journal of Systematic Palaeontology
  VL  - 
  IS  - 
  SP  - 301
  EP  - 312
  ER  -