Fig. 22 in New genera and species from the Belly River Series (mid-Cretaceous)

Fig. 22. - Diagrammatic representa- tioii of the growth of teeth in Traclzoclon. A, transverse section of t-he mandibular minus; B, transverse Swim' of the ınzıx« illa. The heavy lines represent the enzunelled surfaces of the erowns of the teeth. c, grinding surfaces d, much worn teeth c, partly worn teeth;f, sneeessional teeth in the same vertical row with d and e: g, for-amen: h, mandibular groove f, inner wall of dental chamber'.