Mandible of Callistoe vincei. A IBIGEO-P 110, right dentary partially preserved, in lateral view. The position of the isolated canine and p1 was inferred from the proportion in the holotype; B complete dentary of the type specimen (PVL 4187). Scale bar: 5 cm.

Callistoe vincei IBIGEO-P 110. Right dentary partially preserved in A lateral; B medial; and C dorsal views. Abbreviations: b beak; c crest; cc coronoid crest; con condylar process; cor coronoid process; f fossa; mc mylohyoid crest; mf mandibular foramen; mef mental foramen; mn mandibular notch; ps posterior shelf of the masseteric fossa; rm4 roots of the m4; rp3 roots of the p3; rs retromolar space; t tuberosities. Scale bar: 5 cm.

Callistoe vincei IBIGEO-P 110, right canine and p1. A, B canine in labial and lingual views, respectively; C detail of the canine tip in B showing the remnant enamel layer; D p1 in labial view; E p1 in lingual view. Abbreviations: cg cingulid; mc mesial cuspulid; t talonid; wf wear facet. Scale bar: 10 mm

Callistoe vincei IBIGEO-P 110, right lower molar row. A labial view; B lingual view; C m1 and m2, labial view; D m1 and m2, lingual view; E m1 and m2, occlusal view; F m3, labial view; G m3, lingual view; H m3, occlusal view; I m4, labial view; J m4, lingual view; K m4, occlusal view. Abbreviations: co cristid obliqua; eb enamel bulge; end entoconid; hn hypoconulid notch; hyd hypoconid; hyld hypoconulid; hyf hypoflexid; lb lingual basin; med metaconid; pad paraconid; pcd precingulid; pn paracristid notch; pocd labial postcingulid; pocrd postcristid; pp postprotocristid; prd protoconid. Scale bar: 10 mm.

Callistoe vincei, right m4 in occlusal view in holotype (PVL 4187) and IBIGEO-P 110. A IBIGEO-P 110; B IBIGEO-P 110, line drawing; C distal view of the talonid of the type specimen PVL 4187. Abbreviations: c cuspulid; hn hypoconulid notch; hyd hypoconid; hyf hypoflexid; lac labial accessory cuspid; lb lingual basin; pad paraconid; pcd precingulid; pn paracristid notch; pocd labial postcingulid; pocrd postcristid; pp postprotocristid; prd protoconid. Teeth not at scale.

Callistoe vincei IBIGEO-P 110, attritional wear facets in m1 to m3. A, B m1 in labial and distal view, respectively; C m2 in labial view; D m3 in labial view. Abbreviations: 1, 2, 3, 4 attritional facets sensu Compton (1971). Teeth not at scale.