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Ancylotherium pentelicum (Mammalia, Chalicotheriidae) from the late Miocene of Kerassia (Greece) and remarks on its intraspecific variability
Palaeobiodiversity and Palaeoenvironments ( IF 1.4 ) Pub Date : 2021-07-13 , DOI: 10.1007/s12549-021-00497-w
Panagiotis Kampouridis 1 , Nikolaos Kargopoulos 1 , Socrates J. Roussiakis 2 , Georgia Svorligkou 2 , Georgios E. Theodorou 2 , Ioannis X. Giaourtsakis 3
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The first detailed description of Ancylotherium pentelicum (Gaudry and Lartet, 1856) from the late Miocene (Turolian) of Kerassia (Greece) is provided based on three metapodial elements. Potential intraspecific variability of this species in the Eastern Mediterranean has been previously discussed, but no decisive conclusions could be drawn. The present comparison of metapodial elements of A. pentelicum from Kerassia, Pikermi, Samos (Greece), Pinaryaka, Salihpaşalar (Turkey), Kiro Kuchuk (North Macedonia), and Hadjidimovo (Bulgaria) provides evidence for the existence of notable intraspecific variation in both the morphology and especially the size of the species. The morphological differences in the shape and occurrence of some metapodial articular facets are probably associated with the anticipated individual variability and not with sexual dimorphism. On the other hand, the notable metrical variability observed among metapodials of A. pentelicum may be indicative of sexual dimorphism, as has been previously documented in other chalicotheriids.



中文翻译:

来自喀拉西亚(希腊)中新世晚期的 Pentelicum(哺乳动物,Chalicotheriidae)及其种内变异性的评论

来自喀拉西亚(希腊)的晚中新世(Turolian)的五角环兽Ancylotherium pentelicum,Gaudry and Lartet,1856)的第一个详细描述是基于三个后足元素提供的。先前已经讨论了该物种在东地中海的潜在种内变异性,但无法得出决定性的结论。A. pentelicum 后足元素的现状比较来自 Kerassia、Pikermi、Samos(希腊)、Pinaryaka、Salihpaşalar(土耳其)、Kiro Kuchuk(北马其顿)和 Hadjidimovo(保加利亚)提供了证据,证明存在显着的种内变异形态,尤其是物种的大小。一些后足关节面的形状和发生的形态差异可能与预期的个体变异性有关,而不是与性别二形性有关。另一方面,在A. pentelicum 的后足中观察到的显着度量变异可能表明性别二态性,正如之前在其他 chalicotheriids 中所记录的那样。

更新日期:2021-07-13
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