External and internal structure of ankylosaur (Dinosauria; Ornithischia) osteoderms
Here I assess the use of osteoderms in systematics with comparative material from fossil and extant tetrapod taxa. Putative differences among three groups (ankylosaurid, nodosaurid, and polacanthid) were evaluated. Archosaur osteoderms have cortices surrounding a cancellous core. Ankylosaurs are uni...
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| Format: | Others |
| Language: | en |
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2010
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| Online Access: | http://hdl.handle.net/10048/1295 |