• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Systematic Palaeontology >Analysis Of Millerettid Parareptile Relationships In The Light Of New Material Of Broomia Perplexa Watson, 1914, From The Permian Of South Africa
【24h】

Analysis Of Millerettid Parareptile Relationships In The Light Of New Material Of Broomia Perplexa Watson, 1914, From The Permian Of South Africa

机译：根据南非二叠纪的Broomia Perplexa Watson，1914年的新材料，分析米勒莱蒂德的副爬行动物关系

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A second specimen of the poorly known millerettid Broomia perplexa is reported. It consists of a cranium and partially articulated postcranium. As indicated by its small size (ca. 35% shorter skull than the holotype) and unfused pelvis and limbs, the new specimen is a sub-adult individual. Comparison with the holotype reveals only minor differences that are ascribed to ontogenetic or Individual variation. Accordingly we consider the new specimen to represent the second record of Broomia, discovered 90 years after the description of the holotype. A preliminary phylogenetic analysis of millerettid inter-relationships identifies Broomia as a millerettid related to the genus Milierosaurus. The enigmatic parareptile Eunotosaurus africanus is nested within Millerettidae as the sister taxon of Milleretta rubidgei. Whereas millerettids are well known from the latest Permian Dicynodon Assemblage Zone of the Beaufort Group of South Africa, Broomia and Eunotosaurus are found in the Middle Permian Tapinocephalus Assemblage Zone. The new Broomia specimen not only complements our knowledge of this early millerettid but also shows, in addition to recent findings in the same area, that the lowermost Beaufort Group is at least 1200 m thick in this area compared with ca. 2500 m in the western part of the Karoo Basin.
机译：据报道，另一种鲜为人知的千粉菌布鲁姆氏菌的标本。它由头盖骨和部分铰接的后盖骨组成。如其小巧的尺寸（比全形的头骨短约3​​5％）以及骨盆和四肢未融合的指示，新样本是亚成年个体。与完整型的比较揭示仅归因于个体发育或个体变异的微小差异。因此，我们认为新标本代表了Broomia的第二次记录，该记录是在描述整型后90年发现的。千足虫之间的相互关系的初步系统发育分析表明，布鲁莫氏菌是与Milierosaurus属有关的千足虫。神秘的非洲爬行动物Eunotosaurus africanus嵌套在Millerettidae中，作为Milleretta rubidgei的姊妹分类群。南非博福特集团最新的二叠纪Dicynodon组合带中有千粉虫，而在二叠纪中部的Tapinocephalus组合带中则发现有Broomia和Eunotosaurus。新的布鲁姆氏标本不仅补充了我们对早期千粉虫的了解，而且还表明，除了同一地区的最新发现以外，与该地区相比，最下层的博福特群至少厚1200 m。卡鲁盆地西部2500 m。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号