KMS Nanjing Institute of Geology and Palaeonotology,CAS
A new non-parasemionotiform order of the Halecomorphi (Neopterygii, Actinopterygii) from the Middle Triassic of Tethys | |
Sun, ZY; Tintori, A; Xu, YZ; Lombardo, C; Ni, PG; Jiang, DY | |
2017 | |
发表期刊 | JOURNAL OF SYSTEMATIC PALAEONTOLOGY |
ISSN | 1477-2019 |
卷号 | 15期号:3页码:223-240 |
摘要 | The halecomorph fish Panxianichthys imparilis, from the Pelsonian (Anisian, Middle Triassic) of Panxian County, Guizhou Province, South China, was recently described in brief. Here we present a thorough revision of this taxon based on 22 specimens, which allows a much better understanding of its anatomy and, consequently, its phylogenetic relationships. Newly recognized anatomical features include a flat quadratojugal, a symplectic articulating with the lower jaw ventral to the quadrate articulation, five infraorbitals, up to three suborbitals, and a large tail body lobe. Panxianichthys represents the oldest known non-parasemionotiform halecomorph and has a crescent-shaped preopercle and a maxillary branch of infraorbital sensory canal, but it is excluded from the Ionoscopiformes-Amiiformes' clade mainly by the presence of a quadratojugal, a dermosphenotic hinged to the side of the skull roof with a smooth innerorbital flange bearing no sensory canal, and a symplectic articulation much more ventral than that of the quadrate. A comparison with other Triassic non-parasemionotiform halecomorphs, together with the phylogenetic analysis, supports the erection of a new halecomorph order, Panxianichthyiformes, which is the sister group to the post-Triassic Ionoscopiformes-Amiiformes' clade. In addition, Robustichthys, also from the Anisian and previously ascribed to Ionoscopiformes, is recognized here as a new stem-group Ginglymodi.http://zoobank.org/urn:lsid:zoobank.org:pub:5594E962-985F-466D-AC52-2E9A5AC07787 |
关键词 | Panxianichthys Imparilis Panxianichthyiformes Halecomorphi Middle Triassic Tethys |
DOI | 10.1080/14772019.2016.1181679 |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Evolutionary Biology ; Paleontology |
WOS类目 | Evolutionary Biology ; Paleontology |
WOS记录号 | WOS:000395119400004 |
出版者 | TAYLOR & FRANCIS LTD |
文献类型 | 期刊论文 |
条目标识符 | http://ir.nigpas.ac.cn/handle/332004/13743 |
专题 | 中国科学院南京地质古生物研究所 |
作者单位 | 1.Peking Univ, Lab Orogen Belt & Crustal Evolut, Minist Educ, Yiheyuan St 5, Beijing 100871, Peoples R China; 2.Peking Univ, Dept Geol, Yiheyuan St 5, Beijing 100871, Peoples R China; 3.Peking Univ, Geol Museum, Yiheyuan St 5, Beijing 100871, Peoples R China; 4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China; 5.Univ Milan, Dipartimento Sci Terra A Desio, Via Mangiagalli 34, I-20133 Milan, Italy |
推荐引用方式 GB/T 7714 | Sun, ZY,Tintori, A,Xu, YZ,et al. A new non-parasemionotiform order of the Halecomorphi (Neopterygii, Actinopterygii) from the Middle Triassic of Tethys[J]. JOURNAL OF SYSTEMATIC PALAEONTOLOGY,2017,15(3):223-240. |
APA | Sun, ZY,Tintori, A,Xu, YZ,Lombardo, C,Ni, PG,&Jiang, DY.(2017).A new non-parasemionotiform order of the Halecomorphi (Neopterygii, Actinopterygii) from the Middle Triassic of Tethys.JOURNAL OF SYSTEMATIC PALAEONTOLOGY,15(3),223-240. |
MLA | Sun, ZY,et al."A new non-parasemionotiform order of the Halecomorphi (Neopterygii, Actinopterygii) from the Middle Triassic of Tethys".JOURNAL OF SYSTEMATIC PALAEONTOLOGY 15.3(2017):223-240. |
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