古脊椎动物学报2021，Vol.59Issue(3)：200-212,13.DOI:10.19615/j.cnki.1000-3118.210322
川渝地区"Proboselaphus watasei Matsumoto,1915"的分类学修订
Taxonomic revision of the holotype of Proboselaphus watasei Matsumoto,1915(Bovidae,Artiodactyla)from Chuanyu area,China
摘要
Abstract
A taxonomic revision of Proboselaphus watasei Matsumoto,1915(Bovidae,Artiodactyla)from the Pleistocene of Chuanyu area,China demonstrates that this genus and species names are invalid.The holotype with a skull and mandibles was recently rediscovered in the fossil collection by Nobuo Naora,which is housed in the National Museum of Japanese History,Chiba Prefecture,Japan.Proboselaphus watasei was described as a closely-related species to living nilgai,or Boselaphus tragocamelus,in South Asia,based on general characteristics of pecorans,such as small bony horn-cores and hypsodont cheek teeth.However,the cranial and dental morphologies re-examined in the present study clearly show that the holotype has cervid-specific characteristics:e.g.,the fronto-parietal surface curving dorsally,the basioccipital with a triangular outline,and molars with isolated anterior and posterior lobes.The molars of the holotype are comparable to those of Cervus unicolor,in having strong accessary structures(or spurs,cingulums/cingulids,and styles/stylids),and are as large as those of Cervus cf.C.unicolor from the Pleistocene deposits in southern China.This taxonomic change suggests that any crown-boselaphins had not dispersed into East Asia since the Pleistocene.关键词
中国/第四纪/哺乳动物/牛科/鹿科Key words
China/Quaternary/mammal/Bovidae/Cervidae分类
生物科学引用本文复制引用
西冈佑一郎,甲能直树,工藤雄一郎..川渝地区"Proboselaphus watasei Matsumoto,1915"的分类学修订[J].古脊椎动物学报,2021,59(3):200-212,13.基金项目
日本国立历史民俗博物馆联合研究项目[2017-2019]资助.We would like to thank H.Harunari(Professor emeritus,National Museum of Japanese History,Japan)for giving wholesome advice to this study.One of the present authors,YN,was grateful to staff at the institutes,BNHS,IVPP,NMB,and NMNS,for their assistances in the specimen observation.Special thanks to Y.Zhang(IVPP)for translating the title and abstract in Chinese.This study was financially supported by a grant for the Joint Research Project by the National Museum of Japanese History[2017-2019]. （Professor emeritus,National Museum of Japanese History,Japan）
