KMS Institute of Vertebrate Paleontology and Paleoanthropology
| A new species of Zangerlia (Testudines: Nanhsiungchelyidae) from the Upper Cretaceous redbeds at Bayan Mandahu, Inner Mongolia, and the relationships of the genus | |
| Brinkman, D; Peng, JH; Brinkman, D (reprint author), ROYAL TYRRELL MUSEUM PALAEONTOL,POB 7500,DRUMHELLER,AB T0J 0Y0,CANADA. | |
| 1996-04-01 | |
| 发表期刊 | CANADIAN JOURNAL OF EARTH SCIENCES
 |
| ISSN | 0008-4077 |
| 卷号 | 33期号:4页码:526-540 |
| 文章类型 | Article |
| 摘要 | Zangerlia neimongolensis sp.nov. is described on the basis of material from the Upper Cretaceous redbeds at Bayan Mandahu in Inner Mongolia. Zangerlia neimongolensis is similar to Zangerlia testudinimorpha in the proportions of the carapace and plastron and presence of a knob at the posterior end of the neural series, but differs from it in the arrangement of scutes covering the bridge. The placement of Zangerlia in the Nanhsiungchelyidae is supported by derived features of the bridge peripherals and plastral scutes shared by Z. neimongolensis, Basilemys, and Nanhsiungchelys. These are the presence of ventrally expanded sixth inframarginal scutes, humeral scutes that are narrow at the midline and expanded laterally, pectoral scutes that are wide at the midline and narrow laterally, and large rectangular abdominal scutes. The skull of Zangerlia is more primitive than that of Nanhsiungchelys, the only other member of the family for which a skull is known. It shows extensive emargination of the temporal and cheek regions and the absence of a large, tubular external narial opening. A cladistic analysis of the Trionychoidea using Zangerlia as the representative of the Nanhsiungchelyidae suggests a sister-group relationship between the Nanhsiungchelyidae and Adocidae.; Zangerlia neimongolensis sp.nov. is described on the basis of material from the Upper Cretaceous redbeds at Bayan Mandahu in Inner Mongolia. Zangerlia neimongolensis is similar to Zangerlia testudinimorpha in the proportions of the carapace and plastron and presence of a knob at the posterior end of the neural series, but differs from it in the arrangement of scutes covering the bridge. The placement of Zangerlia in the Nanhsiungchelyidae is supported by derived features of the bridge peripherals and plastral scutes shared by Z. neimongolensis, Basilemys, and Nanhsiungchelys. These are the presence of ventrally expanded sixth inframarginal scutes, humeral scutes that are narrow at the midline and expanded laterally, pectoral scutes that are wide at the midline and narrow laterally, and large rectangular abdominal scutes. The skull of Zangerlia is more primitive than that of Nanhsiungchelys, the only other member of the family for which a skull is known. It shows extensive emargination of the temporal and cheek regions and the absence of a large, tubular external narial opening. A cladistic analysis of the Trionychoidea using Zangerlia as the representative of the Nanhsiungchelyidae suggests a sister-group relationship between the Nanhsiungchelyidae and Adocidae. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 关键词[WOS] | REPTILIA |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Geology |
| WOS类目 | Geosciences, Multidisciplinary |
| WOS记录号 | WOS:A1996UN37200003 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/4053 |
| 专题 | 中科院古脊椎所（2000年以后） |
| 通讯作者 | Brinkman, D (reprint author), ROYAL TYRRELL MUSEUM PALAEONTOL,POB 7500,DRUMHELLER,AB T0J 0Y0,CANADA. |
| 作者单位 | ACAD SINICA, INST VERTEBRATE PALEONTOL & PALEOANTHROPOL, BEIJING 100044, PEOPLES R CHINA |
| 推荐引用方式 GB/T 7714 | Brinkman, D,Peng, JH,Brinkman, D . A new species of Zangerlia (Testudines: Nanhsiungchelyidae) from the Upper Cretaceous redbeds at Bayan Mandahu, Inner Mongolia, and the relationships of the genus[J]. CANADIAN JOURNAL OF EARTH SCIENCES,1996,33(4):526-540. |
| APA | Brinkman, D,Peng, JH,&Brinkman, D .(1996).A new species of Zangerlia (Testudines: Nanhsiungchelyidae) from the Upper Cretaceous redbeds at Bayan Mandahu, Inner Mongolia, and the relationships of the genus.CANADIAN JOURNAL OF EARTH SCIENCES,33(4),526-540. |
| MLA | Brinkman, D,et al."A new species of Zangerlia (Testudines: Nanhsiungchelyidae) from the Upper Cretaceous redbeds at Bayan Mandahu, Inner Mongolia, and the relationships of the genus".CANADIAN JOURNAL OF EARTH SCIENCES 33.4(1996):526-540. |
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