古脊椎动物学报2011，Vol.49Issue(4)：365-376,12.
内蒙古四子王旗大庙中新世的真角鹿一新种
A NEW SPECIES OF EUPROX ( CERVIDAE, MAMMALIA) FROM THE MIDDLE MIOCENE OF DAMIAO, NEI MONGOL, CHINA
摘要
Abstract
A new species of cervid,Euprox altus,from the Middle Miocene fossil locality of Damiao,Siziwangqi,Nei Mongol,is described and studied in detail.It is assigned to Euprox based on its true burrs,bifurcation above the burr,long pedicles,brachyodont cheek teeth,developed parastyle and mesostyle,neocrista and cingulum on each upper molar,developed metaconid and hypoflexid on p4 and Palaeomeryx folds on lower molars.The diagnostic character of E.altus is that the bifurcation begins at a higher position than in other species.The beginning of the bifurcation is indicated by an abrupt widening of the antler base.This position can be used as a new distinguishing feature,distinct from the overall position of bifurcation.The uneven longitudinal grooves,more brachyodont teeth,fold on the P4 postprotocrista,almost invisible paraflexid and small trigonid basin on p4,and weak Palaeomeryx fold on the lower molars further differentiate the new species from other Euprox species.The presence of E.altus may indicate a warm and humid environment during the latest Middle Miocene in the Damiao area,in sharp contrast to the current dry and harsh environment.关键词
内蒙古四子王旗大庙/中新世/鹿科/真角鹿Key words
Damiao/ Nei Mongol/ Middle Miocene/ Cervidae/ Euprox分类
生物科学引用本文复制引用
王李花,张兆群..内蒙古四子王旗大庙中新世的真角鹿一新种[J].古脊椎动物学报,2011,49(4):365-376,12.基金项目
国家自然科学基金(批准号:41072004,40711130639,40672010)、国家重点基础研究发展规划项目(编号:2006CB806400)和中国科学院化石发掘与修理专项资助. （批准号:41072004,40711130639,40672010）
