KMS Institute of Vertebrate Paleontology and Paleoanthropology
| New triconodontids (Mammalia) from the Lower Cretaceous Shahai and Fuxin formations, northeastern China | |
Kusuhashi, Nao1,2; Hu, Yaoming1; Wang, Yuanqing1 ; Hirasawa, Satoshi2; Matsuoka, Hiroshige2; nkusu@sci.ehime-u.ac.jp
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| 2009-11-01 | |
| 发表期刊 | GEOBIOS
 |
| ISSN | 0016-6995 |
| 卷号 | 42期号:6页码:765-781 |
| 文章类型 | Review |
| 摘要 | The first triconodontids from Asia have been discovered from the Lower Cretaceous (Aptian to Albian) Shahai and Fuxin formations in Liaoning Province, northeastern China: Meiconodon lii gen. and sp. nov. and M. setoguchii gen. and sp. nov. M. lii is characterized by molariform teeth with a developed cusp d, an m3 with taller cusp a, an m4 with three primary cusps of subequal height, the posteriorly decreasing transverse width of the m4, and a considerably reduced m5. M. seloguchii is slightly larger than M. lii, and characterized by a sharp labial cingulum on the m4, and a less developed cusp d on the molariform teeth than M. lii. The extensive interlocking system between molariforms, posteriorly recumbent primary molariform cusps, and their great degree of asymmetry in occlusal view with rounded labial faces and more angulate lingual faces in lateral view, indicate that Meiconodon belongs to the triconodontid subfamily Alticonodontinae. These new taxa are the first record of Triconodontidae from Asia, and of Alticonodontinae outside North America, suggesting the occurrence of mammalian faunal exchange between North America and Asia during or before the Aptian-Albian. (C) 2009 Elsevier Masson SAS. All fights reserved. |
| 关键词 | Triconodontidae Alticonodontinae Meiconodon Gen. Nov. Early Cretaceous Northeastern China |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| URL | 查看原文 |
| 关键词[WOS] | DINOSAUR-BEARING SEDIMENTS ; FORMATION TETORI GROUP ; MULTITUBERCULATE MAMMALS ; SIHETUN VERTEBRATE ; MESOZOIC MAMMALS ; CENTRAL-ASIA ; LOWER JAW ; MONGOLIA ; AGE ; EVOLUTION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Paleontology |
| WOS类目 | Paleontology |
| WOS记录号 | WOS:000273041800007 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/4701 |
| 专题 | 中科院古脊椎所（2000年以后） 古低等脊椎动物研究室 |
| 通讯作者 | nkusu@sci.ehime-u.ac.jp |
| 作者单位 | 1.Chinese Acad Sci, Lab Evolutionary Systemat Vertebrates, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 2.Kyoto Univ, Dept Geol & Mineral, Grad Sch Sci, Kyoto 6068502, Japan |
| 推荐引用方式 GB/T 7714 | Kusuhashi, Nao,Hu, Yaoming,Wang, Yuanqing,et al. New triconodontids (Mammalia) from the Lower Cretaceous Shahai and Fuxin formations, northeastern China[J]. GEOBIOS,2009,42(6):765-781. |
| APA | Kusuhashi, Nao,Hu, Yaoming,Wang, Yuanqing,Hirasawa, Satoshi,Matsuoka, Hiroshige,&nkusu@sci.ehime-u.ac.jp.(2009).New triconodontids (Mammalia) from the Lower Cretaceous Shahai and Fuxin formations, northeastern China.GEOBIOS,42(6),765-781. |
| MLA | Kusuhashi, Nao,et al."New triconodontids (Mammalia) from the Lower Cretaceous Shahai and Fuxin formations, northeastern China".GEOBIOS 42.6(2009):765-781. |
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