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Title: Epidermal and Dermal Integumentary Structures of Ankylosaurian Dinosaurs
Contributor(s): Arbour, Victoria M (author); Burns, Michael E (author); Bell, Phil  (author)orcid ; Currie, Philip J (author)
Publication Date: 2014
DOI: 10.1002/jmor.20194
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Abstract: Ankylosaurian dinosaurs are most notable for their abundant and morphologically diverse osteoderms, which would have given them a spiky appearance in life. Isolated osteoderms are relatively common and provide important information about the structure of the ankylosaur dermis, but fossilized impressions of the soft-tissue epidermis of ankylosaurs are rare. Nevertheless, well-preserved integument exists on several ankylosaur fossils that shows osteoderms were covered by a single epidermal scale, but one or many millimeter-sized ossicles may be present under polygonal, basement epidermal scales. Evidence for the taxonomic utility of ankylosaurid epidermal scale architecture is presented for the first time. This study builds on previous osteological work that argues for a greater diversity of ankylosaurids in the Dinosaur Park Formation of Alberta than has been traditionally recognized and adds to the hypothesis that epidermal skin impressions are taxonomically relevant across diverse dinosaur clades.
Publication Type: Journal Article
Source of Publication: Journal of Morphology, 275(1), p. 39-50
Publisher: Jossey Bass
Place of Publication: United States of America
ISSN: 0362-2525
Field of Research (FOR): 040308 Palaeontology (incl Palynology)
060301 Animal Systematics and Taxonomy
Socio-Economic Outcome Codes: 970104 Expanding Knowledge in the Earth Sciences
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Environmental and Rural Science

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