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Article: The taxonomy of a new parvicursorine alvarezsauroid specimen IVPP V20341 (Dinosauria: Theropoda) from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia, China
Title | The taxonomy of a new parvicursorine alvarezsauroid specimen IVPP V20341 (Dinosauria: Theropoda) from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia, China |
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Authors | |
Keywords | Alvarezsauroid Campanian Inner Mongolia Parvicursorine Theropod Upper Cretaceous |
Issue Date | 2015 |
Citation | PeerJ, 2015, v. 3, p. e986 How to Cite? |
Abstract | A new parvicursorine alvarezsauroid theropod specimen IVPP V20341 from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia, China is described. IVPP V20341 appears to be distinguishable amongst alvarezsauroids by possible cervical procoely and relatively larger semi-circular caudal neural canals, but these features are not proposed as autapomorphies because current knowledge of alvarezsauroid necks and tails remains sparse. IVPP V20341 is distinguishable from Linhenykus—the sole parvicursorine at Bayan Mandahu—by the location of the origination points of the anterior caudal transverse processes; in IVPP V20341 this is the anterodorsal corner of the centra, whereas in Linhenykus it is the posterior end of the prezygapophyses. A number of additional tentative differences between IVPP V20341 and Linhenykus are also identified, but cannot be confirmed until further details of anatomical variation along the neck and tail are revealed by future finds. Thus, following the study of IVPP V20341 there are still seven parvicursorine species from the Upper Cretaceous Gobi Basin, but future finds could increase this to eight species. |
Persistent Identifier | http://hdl.handle.net/10722/216866 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Pittman, MD | - |
dc.contributor.author | Xu, X | - |
dc.contributor.author | Stiegler, JB | - |
dc.date.accessioned | 2015-09-18T05:41:36Z | - |
dc.date.available | 2015-09-18T05:41:36Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | PeerJ, 2015, v. 3, p. e986 | - |
dc.identifier.uri | http://hdl.handle.net/10722/216866 | - |
dc.description.abstract | A new parvicursorine alvarezsauroid theropod specimen IVPP V20341 from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia, China is described. IVPP V20341 appears to be distinguishable amongst alvarezsauroids by possible cervical procoely and relatively larger semi-circular caudal neural canals, but these features are not proposed as autapomorphies because current knowledge of alvarezsauroid necks and tails remains sparse. IVPP V20341 is distinguishable from Linhenykus—the sole parvicursorine at Bayan Mandahu—by the location of the origination points of the anterior caudal transverse processes; in IVPP V20341 this is the anterodorsal corner of the centra, whereas in Linhenykus it is the posterior end of the prezygapophyses. A number of additional tentative differences between IVPP V20341 and Linhenykus are also identified, but cannot be confirmed until further details of anatomical variation along the neck and tail are revealed by future finds. Thus, following the study of IVPP V20341 there are still seven parvicursorine species from the Upper Cretaceous Gobi Basin, but future finds could increase this to eight species. | - |
dc.language | eng | - |
dc.relation.ispartof | PeerJ | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Alvarezsauroid | - |
dc.subject | Campanian | - |
dc.subject | Inner Mongolia | - |
dc.subject | Parvicursorine | - |
dc.subject | Theropod | - |
dc.subject | Upper Cretaceous | - |
dc.title | The taxonomy of a new parvicursorine alvarezsauroid specimen IVPP V20341 (Dinosauria: Theropoda) from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia, China | - |
dc.type | Article | - |
dc.identifier.email | Pittman, MD: mpittman@hku.hk | - |
dc.identifier.authority | Pittman, MD=rp01622 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.7717/peerj.986 | - |
dc.identifier.scopus | eid_2-s2.0-84944715255 | - |
dc.identifier.hkuros | 251813 | - |
dc.identifier.volume | 3 | - |
dc.identifier.spage | e986 | - |
dc.identifier.epage | e986 | - |
dc.identifier.eissn | 2167-8359 | - |
dc.identifier.isi | WOS:000356350000004 | - |
dc.identifier.issnl | 2167-8359 | - |