Additional data on Todites (Osmundaceae) from the Lower Jurassic—with special references to the paleogeographical and stratigraphical distributions in China |
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Authors: | Yongdong Wang Zhengyao Cao |
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Affiliation: | a Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China b Institut für Geowissenschaften, Universität Tübingen, Sigwarstrasse 10, 72076 Tübingen, Germany c Laboratoire de Biodiversité et Évolution des végétaux actuels et fossiles, UMR 5125 du CNRS, Université Claude Bernard Lyon-1, Bâtiment Darwin-A, 7, rue Dubois, 69622 Villeurbanne cedex, France |
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Abstract: | Additional material of Todites (Osmundaceae) from the Lower Jurassic Xiangshan Group in Jiangsu and Anhui Provinces, Eastern China is investigated. Five species of Todites are described based on collections (including sterile and fertile pinnae) from eight localities along the Yangtze River, including Todites denticulatus (Brongniart) Krasser, Todites cf. goeppertianus (Muenster) Krasser, Todites nanjingensis sp. nov., Todites princeps (Presl) Gothan and Todites sp. Material of T. denticulatus and T. nanjingensis sp. nov. contains further data of the fertile pinnae. The stratigraphical ranges and the geographical distribution of the genus Todites in China are discussed and reviewed. Available data show that Todites mostly occurs in the Late Triassic to Middle Jurassic of China. The genus was widely distributed in both the Northern and Southern Floristic Provinces of China, and especially abundant and diverse in the Southern Floristic Province. |
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Keywords: | Osmundaceae Todites Paleogeographical distribution Early Jurassic China |
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