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Mandibles of Janjucetus hunderi. (a–d) Original fossil specimen represented by NMV P229455 and USNM 534009, whitened with ammonium chloride. (a) Left and right mandibles in dorsal view; (b) anterior part of right mandible in lateral view (c) left mandible in lateral view; and (d) symphyseal region of right mandible in medial view. Anatomical abbreviations: c, canine; i, incisor; m, molar; p, premolar.
