| A new turtle from the Xiagou Formation (Early Cretaceous) of Changma Basin, Gansu Province, P. R. China | |
Brinkman, Donald B.1; Yuan, Chong-Xi2; Ji, Qiang2; Li, Da-Qing3; You, Hai-Lu4 ; [email protected]
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| 2013-09-01 | |
| 发表期刊 | PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS
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| ISSN | 1867-1594 |
| 卷号 | 93期号:3页码:367-382 |
| 文章类型 | Article |
| 摘要 | Changmachelys bohlini gen. et sp. nov., from the Lower Cretaceous Xiagou Formation, Changma Basin, north-western Gansu Province, adds to our understanding of the diversity and distribution of Early Cretaceous turtles in Asia. Changmachelys bohlini is similar to Early Cretaceous turtles from Asia included in "Macrobaenidae" in having a low domed carapace and a reduced, cruciform plastron with buttresses that do not extend onto the costals. With a carapace that exceeds 34 cm in length, it is one of the largest Early Cretaceous "macrobaenids". Despite the addition of this new taxon and new characters to previous phylogenetic analyses, the relationships of "macrobaenid" turtles remain poorly resolved. In addition to adding to the diversity of "macrobaenid" turtles in the Early Cretaceous of Asia, Changmachelys bohlini is of interest because each of the four available specimens documents a distinct stage of ontogenetic development of the shell. In the carapace, the dermal portions of the costals are unossified in the most juvenile specimen but peripherals are present. In contrast with the late ossification of the dermal bone of the carapace, the plastron ossifies relatively early. |
| 关键词 | Macrobaenidae Early Cretaceous Xiagou Formation Gansu China |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| URL | 查看原文 |
| 关键词[WOS] | EUCRYPTODIRAN TURTLE ; TUGULU GROUP ; FOSSIL BIRD ; NW CHINA ; TESTUDINES ; REPTILIA ; ORIGINS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Biodiversity & Conservation ; Paleontology |
| WOS类目 | Biodiversity Conservation ; Paleontology |
| WOS记录号 | WOS:000323641900006 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/4119 |
| 专题 | 古低等脊椎动物研究室 |
| 通讯作者 | [email protected] |
| 作者单位 | 1.Royal Tyrrell Museum, Drumheller, AB T0J 0Y0, Canada 2.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China 3.Gansu Geol Museum, Lanzhou 730010, Gansu, Peoples R China 4.Chinese Acad Sci, Key Lab Evolutionary Systemat Vertebrates, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China |
| 推荐引用方式 GB/T 7714 | Brinkman, Donald B.,Yuan, Chong-Xi,Ji, Qiang,et al. A new turtle from the Xiagou Formation (Early Cretaceous) of Changma Basin, Gansu Province, P. R. China[J]. PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,2013,93(3):367-382. |
| APA | Brinkman, Donald B.,Yuan, Chong-Xi,Ji, Qiang,Li, Da-Qing,You, Hai-Lu,[email protected].(2013).A new turtle from the Xiagou Formation (Early Cretaceous) of Changma Basin, Gansu Province, P. R. China.PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,93(3),367-382. |
| MLA | Brinkman, Donald B.,et al."A new turtle from the Xiagou Formation (Early Cretaceous) of Changma Basin, Gansu Province, P. R. China".PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS 93.3(2013):367-382. |
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| brinkman2013.pdf（1385KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 | |
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