‘Nedoceratops’: An Example of a Transitional Morphology
- Publication Date
- December 14, 2011
- Journal
- PLOS ONE
- Authors
- John B. Scannella & John R. Horner
- Volume
- 6
- Issue
- 12
- Pages
- e28705
- DOI
- https://dx.plos.org/10.1371/journal.pone.0028705
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0028705
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/22194891
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3241274
- Europe PMC
- http://europepmc.org/abstract/MED/22194891
- Web of Science
- 000298369100081
- Scopus
- 83355172823
- Mendeley
- http://www.mendeley.com/research/nedoceratops-example-transitional-morphology
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Mendeley | Further Information
{"title"=>"'Nedoceratops': An example of a transitional morphology", "type"=>"journal", "authors"=>[{"first_name"=>"John B.", "last_name"=>"Scannella", "scopus_author_id"=>"35320401900"}, {"first_name"=>"John R.", "last_name"=>"Horner", "scopus_author_id"=>"7102765776"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "pui"=>"363076229", "doi"=>"10.1371/journal.pone.0028705", "sgr"=>"83355172823", "scopus"=>"2-s2.0-83355172823", "pmid"=>"22194891"}, "id"=>"7ae52013-fe85-3308-85f2-25c3b35f0451", "abstract"=>"BACKGROUND: The holotype and only specimen of the chasmosaurine ceratopsid dinosaur 'Nedoceratops hatcheri' has been the source of considerable taxonomic debate since its initial description. At times it has been referred to its own genus while at others it has been considered synonymous with the contemporaneous chasmosaurine Triceratops. Most recently, the debate has focused on whether the specimen represents an intermediate ontogenetic stage between typical young adult Triceratops and the proposed mature morphology, which was previously considered to represent a distinct genus, 'Torosaurus'.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: The only specimen of 'Nedoceratops hatcheri' was examined and the proposed diagnostic features of this taxon were compared with other chasmosaurine ceratopsids. Every suggested autapomorphy of 'Nedoceratops' is found in specimens of Triceratops. In this study, Triceratops includes the adult 'Torosaurus' morphology. The small parietal fenestra and elongate squamosals of Nedoceratops are consistent with a transition from a short, solid parietal-squamosal frill to an expanded, fenestrated condition. Objections to this hypothesis regarding the number of epiossifications of the frill and alternations of bone surface texture were explored through a combination of comparative osteology and osteohistology. The synonymy of the three taxa was further supported by these investigations.\\n\\nCONCLUSIONS/SIGNIFICANCE: The Triceratops, 'Torosaurus', and 'Nedoceratops' morphologies represent ontogenetic variation within a single genus of chasmosaurine: Triceratops. This study highlights how interpretations of dinosaur paleobiology, biodiversity, and systematics may be affected by ascribing ontogenetic and other intraspecific variation a taxonomic significance.", "link"=>"http://www.mendeley.com/research/nedoceratops-example-transitional-morphology", "reader_count"=>36, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>1, "Researcher"=>9, "Student > Doctoral Student"=>3, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>2, "Other"=>4, "Student > Master"=>7, "Student > Bachelor"=>5, "Lecturer"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>1, "Researcher"=>9, "Student > Doctoral Student"=>3, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>2, "Other"=>4, "Student > Master"=>7, "Student > Bachelor"=>5, "Lecturer"=>1}, "reader_count_by_subject_area"=>{"Agricultural and Biological Sciences"=>11, "Philosophy"=>1, "Computer Science"=>1, "Earth and Planetary Sciences"=>23}, "reader_count_by_subdiscipline"=>{"Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>23}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>11}, "Computer Science"=>{"Computer Science"=>1}, "Philosophy"=>{"Philosophy"=>1}}, "reader_count_by_country"=>{"Canada"=>1, "United States"=>1, "United Kingdom"=>1, "Germany"=>1, "Spain"=>2}, "group_count"=>1}CrossRef
- http://doi.org/10.1111/zsc.12087
- http://doi.org/10.1038/srep44942
- http://doi.org/10.1371/journal.pone.0032623
- http://doi.org/10.1080/02724634.2013.779922
- http://doi.org/10.7717/peerj.252
- http://doi.org/10.1139/cjes-2014-0172
- http://doi.org/10.1111/zoj.12294
- http://doi.org/10.1080/14772019.2016.1210683
- http://doi.org/10.1371/journal.pone.0081608
- http://doi.org/10.1139/cjes-2012-0098
- http://doi.org/10.7717/peerj.7217
- http://doi.org/10.1007/s00114-013-1063-0
- http://doi.org/10.7717/peerj.7764
- http://doi.org/10.1007/s10670-015-9769-3
- http://doi.org/10.1371/journal.pone.0151453
- http://doi.org/10.1016/j.cretres.2016.10.005
- http://doi.org/10.7717/peerj.5194
- http://doi.org/10.1139/cjes-2012-0085
Scopus | Further Information
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Wikipedia | Further Information
- {"title"=>"Nedoceratops", "url"=>"http://en.wikipedia.org/wiki/Nedoceratops", "timestamp"=>"2019-03-15T21:46:34Z"}
- {"title"=>"Torosaurus", "url"=>"http://en.wikipedia.org/wiki/Torosaurus", "timestamp"=>"2019-03-13T00:51:35Z"}
- {"title"=>"Triceratops", "url"=>"http://en.wikipedia.org/wiki/Triceratops", "timestamp"=>"2019-03-13T23:24:00Z"}
- {"title"=>"Nedoceratops", "url"=>"http://nl.wikipedia.org/wiki/Nedoceratops", "timestamp"=>"2018-03-18T12:58:40Z"}
- {"title"=>"Torosaurus", "url"=>"http://nl.wikipedia.org/wiki/Torosaurus", "timestamp"=>"2018-11-26T10:24:07Z"}
- {"title"=>"Triceratops", "url"=>"http://it.wikipedia.org/wiki/Triceratops", "timestamp"=>"2018-12-28T16:29:53Z"}
- {"title"=>"Triceratops", "url"=>"http://pl.wikipedia.org/wiki/Triceratops", "timestamp"=>"2019-03-05T21:47:10Z"}
- {"title"=>"トロサウルス", "url"=>"http://ja.wikipedia.org/wiki/トロサウルス", "timestamp"=>"2018-04-18T11:13:48Z"}
- {"title"=>"Triceratops", "url"=>"http://pt.wikipedia.org/wiki/Triceratops", "timestamp"=>"2019-02-12T16:37:10Z"}
- {"title"=>"三角龍屬", "url"=>"http://zh.wikipedia.org/wiki/三角龍屬", "timestamp"=>"2019-02-10T10:17:27Z"}
- {"title"=>"네도케라톱스", "url"=>"http://ko.wikipedia.org/wiki/네도케라톱스", "timestamp"=>"2018-09-15T22:12:38Z"}
- {"title"=>"토로사우루스", "url"=>"http://ko.wikipedia.org/wiki/토로사우루스", "timestamp"=>"2019-02-23T12:56:39Z"}
- {"title"=>"트리케라톱스", "url"=>"http://ko.wikipedia.org/wiki/트리케라톱스", "timestamp"=>"2019-02-26T04:22:37Z"}
- {"title"=>"تريسيراتوبس", "url"=>"http://ar.wikipedia.org/wiki/تريسيراتوبس", "timestamp"=>"2019-03-03T21:12:06Z"}
- {"title"=>"File:Nedoceratops skull, PLoS ONE.png", "url"=>"http://commons.wikimedia.org/wiki/File:Nedoceratops_skull,_PLoS_ONE.png", "timestamp"=>"2018-01-08T17:07:51Z"}
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Relative Metric
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