《Table 3 Comparison of lower cheek teeth among diff erent M oschus (mm)》

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《内蒙古化德土城子地点晚中新世麝科化石新材料（英文）》

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Notes:A.Moschus grandaevus from Huade（Schlosser，1924）；B.M.grandaevus from Yushe（Vislobokova and Lavrov，2009）；C.M.grandaevus from Olkhon，Russia（Vislobokova and Lavrov，2009）；D.M.primaevus（Teilhard de Chardin，1926）；E.M.moschiferus pekinensis (You

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.