Batropetes from the Lower Permian of Europe—a microsaur, not a reptile
Batropetes from the Lower Permian of Europe—a microsaur, not a reptile
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来自欧洲下二叠纪的巴特罗皮特（Batropetes）——一种微型恐龙，而不是爬行动物
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发表时间：
1991
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通讯作者：
R. Carroll
中科院分区：
文献类型：
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作者：
R. Carroll
摘要：德国西南部普法尔茨州萨尔-纳赫地区萨克马里安下游的一个新发现的标本显示了骨骼特征的组合，当单独发现时，这些特征被认为可以将巴特罗皮特（Batropetes）（最初被描述为爬行动物）与短龙类（Brachyselechus）区分开来。如果这些标本属于同一物种，则应使用 Batropetes fritschi 名称。枕骨髁和第一颈椎的性质以及上颚和颅骨台的结构表明该物种是小短龙类。这个新标本有少量的长牙齿，就像北美物种卡罗拉·克拉多基 (Carrolla craddocki) 的牙齿一样，但有三个而不是两个尖牙。下颌关节向前，镫骨与方骨关节连接。与 Microbrachis 和 Hyloplesion 相比，手书中有四个数字，而不是三个数字。血液弓 7 至 16 与中心融合。桡骨髁位于前表面，…
ABSTRACT A newly discovered specimen from the lower Sakmarian of the Saar-Nahe district in the Pfalz, southwestern Germany, shows a combination of skeletal characters that, when found separately, were thought to distinguish Batropetes (originally described as a reptile) from the microsaur Brachystelechus. If these specimens belong to the same species, the name Batropetes fritschi should be applied. The nature of the occipital condyle and first cervical vertebra as well as the structure of the palate and skull table demonstrate that this species is a microbrachomorph microsaur. The new specimen has a small number of long teeth, like those of the North American species Carrolla craddocki, but with three, rather than two, cusps. The jaw articulation is far forward, and the stapes articulates with the quadrate. In contrast with Microbrachis and Hyloplesion, there are four, rather than three, digits in the manus. Haemal arches 7 to 16 are fused to the centra. The radial condyle is on the anterior surface, rath...