SHELL MICROSTRUCTURES IN LOPINGIAN BRACHIOPODS: IMPLICATIONS FOR FABRIC EVOLUTION AND CALCIFICATION

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	SHELL MICROSTRUCTURES IN LOPINGIAN BRACHIOPODS: IMPLICATIONS FOR FABRIC EVOLUTION AND CALCIFICATION
	Garbelli, Claudio 1,2
刊名	RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA
	2017-11
卷号	123 期号:3 页码:541-560
关键词	Rhynchonelliformea Strophomenata biomineralization taxonomy columnar layer
ISSN号	0035-6883
英文摘要	The study of the shell microstructure of brachiopods is fundamental to understand their evolutionary history and their biomineralization process. Here, species of forty Lopingian brachiopods genera, representative of twenty-seven different families, are investigated using the Scanning Electron Microscope. The investigated specimens come from different paleogeographic localities in the Palaeotethys/Neotethys oceans. The studied brachiopods show a large variability of the shell fabric, which is mainly related to the organization of its structural units: laminae, fibers and columns, possibly crossed by pseudopunctae or punctae. For the Strophomenata, the laminar fabric of Productida is crossed by pseudopunctae with taleolae and the laminae are often organized in packages, with the blades oriented about perpendicular to each other; this feature is less evident in the laminar Orthotetida, which bear pseudopunctae without taleoae. For the Rhynchonellata, fibrous fabrics are either impuctate in the Spiriferida, most Athyridida and Rhynchonellida, or with punctae, as observed in the Orthida, Terebratulida and in the Neoretziidae (Athyridida). The fibers show a range of sizes and shapes also in the same specimens and the transition to the columnar layer is different than in Strophomenata.
WOS研究方向	Geology ; Paleontology
语种	英语
出版者	UNIV STUDI MILANO
WOS记录号	WOS:000418190000004
内容类型	期刊论文
源URL	[http://ir.nigpas.ac.cn/handle/332004/22753]
专题	中国科学院南京地质古生物研究所
作者单位	1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China; 2.Univ Milan, Dipartimento Sci Terra A Desio, Via Mangiagalli 34, I-20133 Milan, Italy
推荐引用方式 GB/T 7714	Garbelli, Claudio. SHELL MICROSTRUCTURES IN LOPINGIAN BRACHIOPODS: IMPLICATIONS FOR FABRIC EVOLUTION AND CALCIFICATION[J]. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA,2017,123(3):541-560.
APA	Garbelli, Claudio.(2017).SHELL MICROSTRUCTURES IN LOPINGIAN BRACHIOPODS: IMPLICATIONS FOR FABRIC EVOLUTION AND CALCIFICATION.RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA,123(3),541-560.
MLA	Garbelli, Claudio."SHELL MICROSTRUCTURES IN LOPINGIAN BRACHIOPODS: IMPLICATIONS FOR FABRIC EVOLUTION AND CALCIFICATION".RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 123.3(2017):541-560.