捷克共和国Mokrá-West采石场早中新世鳞片组合及其古生物地理和古环境意义

IF 1.5 3区地球科学 Q2 PALEONTOLOGY

Geodiversitas Pub Date : 2020-08-28 DOI:10.5252/geodiversitas2020v42a20

M. Ivanov, A. Čerňanský, I. Bonilla-Salomón, Àngel H. Luján

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引用次数: 7

摘要

摘要MWQ Mokrá-Western采石场的两个含化石岩溶裂隙（1/2001 Turtle Joint；2/2003 Reptile Joint）提供了中新世早期（Burdigalian，MN 4）的多种脊椎动物，包括鳞片。中新世热盛期（17.8-17.7Ma）相当温暖的气候条件使嗜热蜥蜴和蛇能够在整个中欧传播。在MWQ地区总共发现了十个主要分支，包括：斑蝶科（斑蝶科独立，斑蝶科牙齿形态类型1和2）；两栖纲（两栖纲indet）？Scincoidea（？Scincoidea-indet）；Anguide（Pseudopus laurilladi（Lartet，1851）、Pseudous sp.、Ophisaurus sp.和Anguinae indet）；Varanidae（Varanus mokrensis Ivanov，Klembara，Ruta＆Böhme，2018）；Boidae（Bavarioboa参见hermi Szyndlar和Schleich，1993）；蟒蛇科（Python sp.）；Colubridae（Colubrideae gen.et sp.indet，Coluber[s.l]sp.和“Colubrinae”indet，type 1），Natricidae（Natrix sp.和”Natricinae“indet）；毒蛇科（Viperinae[‘东方毒蛇’组]，Vipera sp.[‘欧洲毒蛇’组）；和Elapidae（Elapidae-gen.et sp.indet.）。MWQ的Python sp.代表了已知的第一个在中副特提斯地区出现的这种最嗜热的新第三纪鳞片分类单元，我们假设在Burdigalian晚期，该地区附近的MAT没有降到18-19°C以下。这些潮湿的亚热带至副热带气候条件，也有一些全水生和半水生两栖动物和爬行动物记录在案，适合MWQ报告的其他嗜热蜥蜴和蛇类群的出现，包括Varanus mokrensis、Pseudopus laurilladi、Bavarioboa、大型Elapidae和“东方毒蛇”。

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Early Miocene squamate assemblage from the Mokrá-Western Quarry (Czech Republic) and its palaeobiogeographical and palaeoenvironmental implications

ABSTRACT Two fossiliferous karstic fissures from the Mokrá-Western Quarry, MWQ (1/2001 Turtle Joint; 2/2003 Reptile Joint) provided a diverse vertebrate fauna from the early Miocene (Burdigalian, MN 4) including squamates. The rather warm climatic conditions during the Miocene Thermal Maximum (17.8-17.7 Ma) enabled dispersal of thermophilic lizards and snakes throughout Central Europe. In total, ten major clades have been identified in MWQ localities, including: Lacertidae (Lacertidae indet., Lacertidae tooth morphotype 1 and 2); Amphisbaenia (Amphisbaenia indet.); ? Scincoidea (? Scincoidea indet.); Anguidae (Pseudopus laurillardi (Lartet, 1851), Pseudopus sp., Ophisaurus sp., and Anguinae indet.); Varanidae (Varanus mokrensis Ivanov, Klembara, Ruta & Böhme, 2018); Boidae (Bavarioboa cf. hermi Szyndlar & Schleich, 1993); Pythonidae (Python sp.); Colubridae (Colubridae gen. et sp. indet., Coluber [s.l.] sp., and “Colubrinae” indet., type 1), Natricidae (Natrix sp. and “Natricinae” indet.); Viperidae (Viperinae [‘Oriental vipers' group], Vipera sp. [‘European vipers' group]); and Elapidae (Elapidae gen. et sp. indet.). Python sp. from the MWQ represents the first known occurrence of this most thermophilic Neogene squamate taxon within the area of Central Paratethys and we assume that MAT did not fall below 18-19 °C in the vicinity of this locality during the late Burdigalian stage. These humid subtropical to paratropical climatic conditions, also documented by several full-aquatic and semi-aquatic amphibians and reptiles, were suitable for the occurrence of other thermophilic lizard and snake taxa reported from MWQ, including Varanus mokrensis, Pseudopus laurillardi, Bavarioboa, large Elapidae and ‘Oriental vipers'.

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来源期刊

Geodiversitas 地学-古生物学

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Geodiversitas is a fully electronic journal, with a continuous publication stream, devoted to varied aspects of Earth Sciences. It publishes original results particularly on systematics, phylogeny, paleobiodiversity and paleoenvironment. Thematic issues may also be published under the responsibility of a guest editor.