First record of hybodont egg capsules from the Jurassic of Thailand

被引:0
|
作者
Cuny, Gilles [1 ]
Chanthasit, Phornphen [2 ]
机构
[1] Univ Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, 6 Rue Raphael Dubois, F-69622 Villeurbanne, France
[2] Sirindhorn Museum, Dept Mineral Resources, Kalasin 46140, Thailand
来源
ANNALES DE PALEONTOLOGIE | 2023年 / 109卷 / 04期
关键词
Elasmobranchii; Hybodontiformes; Egg capsule; Jurassic; Thailand; KHORAT GROUP; SHARK; PALAEOXYRIS; ASIA;
D O I
10.1016/j.annpal.2023.102652
中图分类号
Q91 [古生物学];
学科分类号
0709 ; 070903 ;
摘要
Two egg capsules of Palaeoxyris sp. are reported from the Jurassic Phu Kradung Formation in the Khorat Plateau, northeastern Thailand. As the record of this genus remains rare in the Jurassic, it complements its stratigraphic distribution. Most importantly, it represents the first unambiguous evidence that some hybodont sharks from the Mesozoic of Thailand were able to reproduce in fresh waters, even if it is not yet possible to identify which species in particular. (c) 2023 Elsevier Masson SAS. All rights reserved.
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页数:6
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