| 词条 | Arkharavia |
| 释义 |
| fossil_range = Late Cretaceous, {{fossil range|66}} | image = | image_caption = | display_parents = 2 | taxon = Arkharavia | authority =Alifanov & Bolotsky, 2010 | type_species = Arkharavia heterocoelica | type_species_authority = Alifanov & Bolotsky, 2010 }} Arkharavia is a dubious genus of somphospondylan sauropod, but at least some of the remains probably belong to a hadrosaurid.[1] It lived in what is now Russia, during the Late Cretaceous. It was described in 2010 by Alifanov and Bolotsky. The type species is A. heterocoelica. DescriptionThe holotype material consists of a single anterior caudal vertebra. Also, a tooth and a few proximal tail vertebrae (from near the base of the tail) were originally described as belonging to this species, but these probably belong to an indeterminate hadrosaur.[1][2] The vertebrae are unusual in being weakly heterocoelous,[3] which means that the centrum or body of a vertebra has saddle-shaped surfaces where it meets the vertebrae in front or behind it. ClassificationArkharavia was originally classified as a titanosauriform sauropod, thought to be related to Chubutisaurus, a sauropod from the Cretaceous of Argentina.[3] However, further study showed that the referred vertebra in fact belonged to a hadrosaurid.[2] The holotype vertebra is currently considered an indeterminate somphospondylan.[1]ContemporariesArkharavia lived in the Amur Region, which was a 'hot spot' for dinosaurs in Russia. Other dinosaurs from the area include the lambeosaurines (hollow-crested duckbills) Amurosaurus, Olorotitan, and Charonosaurus, and the saurolophine (duckbills without hollow crests) Kerberosaurus and Wulagasaurus.[3]See also{{Portal|Dinosaurs}}
References1. ^1 2 {{cite journal|doi=10.1111/zoj.12029|title=Osteology of the Late Jurassic Portuguese sauropod dinosaur Lusotitan atalaiensis (Macronaria) and the evolutionary history of basal titanosauriforms|journal=Zoological Journal of the Linnean Society|volume=168|pages=98–206|year=2013|last1=Mannion|first1=Philip D.|last2=Upchurch|first2=Paul|last3=Barnes|first3=Rosie N.|last4=Mateus|first4=Octávio|url=http://docentes.fct.unl.pt/sites/default/files/omateus/files/mannion_et_al_2013_sauropod_lusotitan_portugal.pdf}} {{Taxonbar|from=Q1425845}}{{Cretaceous-reptile-stub}}2. ^1 {{cite journal|author=Godefroit, P.|author2=Bolotsky, Y.L.|author3=Bolotsky, I.Y.|last-author-amp=yes |year=2011|title=Osteology and relationships of Olorotitan arharensis, a hollowcrested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia|journal=Acta Palaeontologica Polonica|volume=57|issue=3|pages=527|doi=10.4202/app.2011.0051}} 3. ^1 2 {{cite journal |last=Alifanov |first=V. R. |author2 = Bolotsky, Y. L. |year=2010 |title=Arkharavia heterocoelica gen. et sp. nov., a new sauropod dinosaur from the Upper Cretaceous of far eastern Russia |journal=Paleontologicheskii Zhurnal |volume=2010 |issue=1 |pages=76–83 |language=Russian }} 4 : Macronarians|Late Cretaceous dinosaurs of Asia|Fossil taxa described in 2010|Nomina dubia |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。