Fossil turtles from the early Miocene localities of Mokrá-Quarry (Burdigalian, MN4), South Moravian Region, Czech Republic

IF 1.5 3区地球科学 Q2 PALEONTOLOGY

Geodiversitas Pub Date : 2021-10-26 DOI:10.5252/geodiversitas2021v43a20

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

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引用次数: 2

Abstract

ABSTRACT Fossil turtles from Mokrá-Quarry, South Moravia Region, Czech Republic, are described in this paper. Remains come from two already known karstic fissures uncovered in Mokrá-Western Quarry (1/2001 Turtle Joint and 2/2003 Reptile Joint), as well as three new karstic fissures from Mokrá-Western Quarry (TC/2001 and 4/2018) and Mokrá-Central Quarry (3/2005). All localities correspond to the early Miocene (Burdigalian: late Eggenburgian-Ottnangian MN4). The newly described material belongs to several turtle individuals, including over 100 shell elements, so the material studied here constitutes one of the largest samples in regards of the Czech Republic fossil record. Most of these remains have been identified as Ptychogaster (Ptychogaster) sp. and Testudo (Chersine) cf. kalksburgensis Toula, 1896. However, three specimens presented here (i.e., one shell fragment and two postcranial bones) have been identified as a large tortoise (Testudinidae indet.). Turtle fauna is congruent with two ecological environments, including a dry karst landscape with open to dense steppe vegetation inferred for the heliophile testudinids, as well as freshwater masses to the semi-terrestrial ptychogasterid. Finally, this paper expands our knowledge of fossil turtle assemblages in Central Europe during the early Miocene.

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捷克共和国南摩拉维亚地区Mokrá-Quarry (Burdigalian, MN4)中新世早期遗址的龟化石

本文描述了捷克共和国南摩拉维亚地区Mokrá-Quarry的龟化石。遗骸来自Mokrá-Western采石场发现的两个已知岩溶裂缝(1/2001龟缝和2/2003爬行动物缝)，以及Mokrá-Western采石场(TC/2001和4/2018)和Mokrá-Central采石场(3/2005)的三个新岩溶裂缝。所有位置均对应中新世早期(burdigian: Eggenburgian-Ottnangian MN4)。新描述的材料属于几个海龟个体，包括100多个外壳元素，因此这里研究的材料构成了捷克共和国化石记录中最大的样本之一。这些遗骸大多被鉴定为Ptychogaster (Ptychogaster) sp.和Testudo (Chersine) cf. kalksburgensis Toula, 1896。然而，这里展示的三个标本(即一个壳碎片和两个颅后骨)已被确定为大型龟(鳖科indet.)。龟的动物群与两种生态环境一致，其中一种是干燥的喀斯特景观，有开放到茂密的草原植被，推断为喜日的龙尾类，另一种是淡水块状的半陆生斑腹类。最后，本文扩展了我们对中新世早期中欧海龟化石组合的认识。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.