《Table 1 Measurements of upper cheek teeth of Moschus grandaevus and comparison (mm)》
本系列图表出处文件名:随高清版一同展现
《内蒙古化德土城子地点晚中新世麝科化石新材料(英文)》
Notes:A.Moschus grandaevus from Huade(Schlosser,1924;Teilhard de Chardin,1926);B.M.grandaevus from Yushe(Vislobokova and Lavrov,2009);C.M.primaevus(Teilhard de Chardin,1926);D.M.moschiferus pekinensis (Young,1932;values in brackets are measured
Description The maxillary dentition available only ranges from DP4 to M3(see Table 1 for measurements).The DP4(5.78 mm×5.92 mm)is composed of four simple main cusps in two distinct lobes(Fig.1A),the buccal main cusps are higher than the lingual ones.The entostyle is present and moderate,but other accessory elements such as precingulum,entocingulum,postcingulum,spur,neocrista,etc.are absent.The maxillary molars are morphologically similar to each other and relatively simple,the accessory elements such as precingulum,postcingulum,neocrista,entostyle(basal pillar),etc.are absent.But the molars are characterized by the presence of metaconule spur which is not evident on M1,slightly evident on M2 and very clear on M3.The evidence of the spur is probably related to the degree of wearing.It is very evident on the molars unworn or slightly worn(Fig.1A,D),but might disappear on the crowns very worn,especially on M1.The entocingulum is also present on the molars but poorly developed.
图表编号 | XD0020743200 严禁用于非法目的 |
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绘制时间 | 2018.07.01 |
作者 | 董为、刘文晖、张立民、白炜鹏、蔡保全 |
绘制单位 | 中国科学院脊椎动物演化与人类起源重点实验室中国科学院古脊椎动物与古人类研究所、中国科学院生物演化与环境卓越创新中心、中国科学院脊椎动物演化与人类起源重点实验室中国科学院古脊椎动物与古人类研究所、中国科学院大学、中国科学院脊椎动物演化与人类起源重点实验室中国科学院古脊椎动物与古人类研究所、中国科学院脊椎动物演化与人类起源重点实验室中国科学院古脊椎动物与古人类研究所、中国科学院大学、厦门大学历史系 |
更多格式 | 高清、无水印(增值服务) |
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