Bone histology of Protoceratops andrewsi from the Late Cretaceous of Mongolia and its biological implications

doi:10.4202/app.00463.2018

	Bone histology of Protoceratops andrewsi from the Late Cretaceous of Mongolia and its biological implications
	Fostowicz-Frelik, Lucja 1,2; Slowiak, Justyna 1
刊名	ACTA PALAEONTOLOGICA POLONICA
	2018
卷号	63 期号:3 页码:503-517
关键词	Dinosauria Ornithischia Ceratopsia paleohistology ontogeny growth tempo Cretaceous Mongolia
ISSN号	0567-7920
DOI	10.4202/app.00463.2018
通讯作者	Fostowicz-Frelik, Lucja(lfost@twarda.pan.pl)
英文摘要	Protoceratops andrewsi is one of the best known and abundant omithischian dinosaurs from the Djadokhta Formation (Late Cretaceous, Mongolia) and a subject of many morphological studies. Here we present the fast study of its bone tissue (from the long bones, frill, and rib), describing microstructure, extent of remodeling, and growth tempo changes in ontogeny. Several specimens representing juvenile, subadult, and adult age stages have been studied. In general, paleohistology of Protoceratops is quite uniform throughout ontogeny, showing basic fibrolamellar bone complex with prevalence of woven-fibered bone and scarce remodeling. In adults the parallel-fibered bone matrix forms distinct although irregular zonation in the cortex until dominating it. The bone displays noteworthy abundance of fossilized fibers (including Sharpey's fibers), which apparently strengthen the tissue and enhance its elasticity. Growth tempo increased in the studied femora of Protoceratops at the subadult stage, which suggests changes in bone proportions (i.e., elongation of the hind limbs) in a similar manner as it was observed in a more basal Psittacosaunis.
WOS关键词	GROWTH DYNAMICS ; DINOSAURIA ; GOBI ; MICROSTRUCTURE ; ORNITHISCHIA ; STRATIGRAPHY ; CERATOPSIA ; MORPHOLOGY ; PHYSIOLOGY ; EVOLUTION
WOS研究方向	Paleontology
语种	英语
出版者	INST PALEOBIOLOGII PAN
WOS记录号	WOS:000443714100007
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/8906]
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Fostowicz-Frelik, Lucja
作者单位	1.Polish Acad Sci, Inst Paleobiol, Ul Twarda 51-55, PL-00818 Warsaw, Poland 2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
推荐引用方式 GB/T 7714	Fostowicz-Frelik, Lucja,Slowiak, Justyna. Bone histology of Protoceratops andrewsi from the Late Cretaceous of Mongolia and its biological implications[J]. ACTA PALAEONTOLOGICA POLONICA,2018,63(3):503-517.
APA	Fostowicz-Frelik, Lucja,&Slowiak, Justyna.(2018).Bone histology of Protoceratops andrewsi from the Late Cretaceous of Mongolia and its biological implications.ACTA PALAEONTOLOGICA POLONICA,63(3),503-517.
MLA	Fostowicz-Frelik, Lucja,et al."Bone histology of Protoceratops andrewsi from the Late Cretaceous of Mongolia and its biological implications".ACTA PALAEONTOLOGICA POLONICA 63.3(2018):503-517.