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首页> 外文期刊>Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen >Anosteira maomingensis (Testudines: Carettochelyidae)from the Late Eocene of Maoming, Guangdong, southern China: new aterial and re-description
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Anosteira maomingensis (Testudines: Carettochelyidae)from the Late Eocene of Maoming, Guangdong, southern China: new aterial and re-description

机译：来自中国南方的广东茂名始新世晚期的茂名Anosteira maomingensis（Testudines：Carettochelyidae）：新的天体和重新描述

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摘要

Anosteira is a carettochelytid turtle known from the Eocene of Asia and North America and includes several species. The species A. maomingensis CHOW & LIU, 1953 was established originally on the basis of two internal molds. The present study is based on new specimens collected by the IVPP in Maoming during 2005-2006 and unpublished specimens housed in the Beijing Museum of Natural History, which include more than twenty shells and a lower jaw. A. maomingensis is characterized by its large size, absence of all marginal scutes and reduced pleural scutes, which do not cover the lateral part of the costal plates. The lower jaw has a wide, posteriorly expanded and concave triturating surface, a strong and tall coronoid process lying on the middle of the jaw ramus and deeply excavated lateral surface under the coronoid process.
机译：Anosteira是一种从亚洲始新世和北美始新世起的无care龟。茂名A. maomingensis CHOW＆LIU，1953年最初是基于两个内部霉菌建立的。本研究基于IVPP在2005-2006年间在茂名采集的新标本以及北京自然历史博物馆藏有的未公开标本，其中包括二十多个贝壳和下颌。毛明曲霉的特点是体积大，没有所有边缘的侧and和减少的胸膜s，它们不覆盖肋骨板的外侧部分。下颌有一个宽的，向后扩展和凹入的碎屑表面，一个坚固而又高的冠状突位于颌骨支的中部，在冠突下被深挖的侧面。

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