Fig. 21. A–B, Right M2 and M1 in The Osteology Of Rhombomylus (Mammalia, Glires): Implications For Phylogeny And Evolution Of Glires

Fig. 21. A–B, Right M2 and M1 of Rhombomylus (IVPP V7492, from the same specimen that has been cut to view the longitudinal and frontal sections of the nasal cavity in figs. 43 and 44). The scanning electronic microscopic images (C–G) are close­up views of the areas labeled in A and B. All the figures are oriented in the same direction but are not on the same scale. Arrows indicate directions of strikes or movement of the lower teeth. p, pit; s, striation. See text for description and discussion.Published as part of MENG, JIN, HU, YAOMING & LI, CHUANKUI, 2003, The Osteology Of Rhombomylus (Mammalia, Glires): Implications For Phylogeny And Evolution Of Glires, pp. 1-247 in Bulletin of the American Museum of Natural History 2003 (275) on page 47, DOI: 10.1206/0003-0090(2003)2752.0.CO;2, http://zenodo.org/record/535321