内蒙古二连盆地额尔登敖包剖面新增查干鼠类、圆柱齿鼠类及梳趾鼠类化石材料
李茜1,2(
)
)
Additional tsaganomyid, cylindrodontid and ctenodactyloid rodent materials from the Erden Obo section, Erlian Basin (Nei Mongol, China)
LI Qian1,2()
)
Fig. 2. The skull with the mandible of Coelodontomys asiaticus from the “Upper White” beds of the Erden Obo section (IVPP V 26552.1)
A. dorsal view of the skull; B. ventral view of the skull; C. crown view of the mandibles; D. buccal view of the right mandible Abbreviations: ab. auditory bulla; aoc. antepremolar crest; bo. basioccipital; bs. basisphenoid; fc. frontal crest; mr. masseteric ridge; mtf. mental foramen; na. nasal; occ. occipital condyle; p. parietal; pm. premaxilla; pmldc. premaxillary laterodorsal crest; sc. sagittal crest
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