KMS Institute of Vertebrate Paleontology and Paleoanthropology
| Yuanansuchus maopingchangensis sp nov., the second capitosauroid temnospondyl from the Middle Triassic Badong Formation of Yuanan, Hubei, China | |
Liu, Jun
| |
| 2016-04-05 | |
| 发表期刊 | PEERJ
 |
| 卷号 | 4期号:000页码:19 |
| 文章类型 | Article |
| 摘要 | A second species of Yuanansuchus, Y. maopingchangensis, is erected for new temnospondyl material from the Maopingchang site, Yuanan County, Hubei Province, China. These specimens are from the same horizon that produced Y. laticeps, the type species. Y. maopingchangensis shares the following features with Y. laticeps: postorbital portion of skull occupied more than 1/3 of skull length; tabular horn directed laterally; lateral line sulci continuous, well impressed; supraorbital sensory canal enters lacrimal; preorbital projection of jugal less than half length of snout; and vomerine plate short. However, Y. maopingchangensis differs from Y. laticeps in having an elongated skull, frontal extending posteriorly to the level of the posterior orbital margin, closed otic fenestra, cultriform process of parasphenoid extending to the level of the anterior margin of the interpterygoid vacuities, and absence of fodina vomeralis. Analysis of a new capitosaur phylogenetic data matrix, containing 56 characters and 29 species, confirms that the two species from Yuanan are sister taxa and that Capitosauroidea can be divided into two major clades: one including Parotosuchus, Eryosuchus, Calmasuchus and Cherninia, and another including Mastodonsaurus, Yuanansuchus, Stanocephalosaurus, Procyclotosaurus, Paracyclotosaurus, Antarctosuchus, Eocyclotosaurus, Quasicyclotosaurus, Tatrasuchus and Cyclotosaurus. |
| 关键词 | Triassic Anisian Badong Formation Temnospondyli Capitosauria Capitosauroidea |
| WOS标题词 | Science & Technology |
| DOI | 10.7717/peerj.1903 |
| 关键词[WOS] | PHYLOGENETIC ANALYSIS ; POSTCRANIAL SKELETON ; AMPHIBIANS ; REVISION ; ONTOGENY ; SKULL |
| 收录类别 | SCI |
| 语种 | 英语 |
| 项目资助者 | National Basic Research (973) project(2012CB821902) ; National Natural Science Foundation of China(41472017) |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:000374160600006 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/7111 |
| 专题 | 中科院古脊椎所（2000年以后） |
| 作者单位 | Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100864, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Jun. Yuanansuchus maopingchangensis sp nov., the second capitosauroid temnospondyl from the Middle Triassic Badong Formation of Yuanan, Hubei, China[J]. PEERJ,2016,4(000):19. |
| APA | Liu, Jun.(2016).Yuanansuchus maopingchangensis sp nov., the second capitosauroid temnospondyl from the Middle Triassic Badong Formation of Yuanan, Hubei, China.PEERJ,4(000),19. |
| MLA | Liu, Jun."Yuanansuchus maopingchangensis sp nov., the second capitosauroid temnospondyl from the Middle Triassic Badong Formation of Yuanan, Hubei, China".PEERJ 4.000(2016):19. |
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