Table 1.

Measurements of USNM PAL 475486, fragmentary skull.

measurement	value (mm)
total preserved length (rostral fragment)	150.97
right IOF height	8.82
nasal aperture length (from anterior-lateral extent of nasal to medial tuberosity of premaxilla)	70.17
nasal aperture width (from most lateral extents of medial margins of premaxilla)	40.15
right tooth-row length (anterior canine to posterior P5)	111.08
incisor alveoli row width (distance between lateralmost extents)	26.39
canine alveoli widths (distance between lateralmost extents)	54.86
width at narrowing of tooth row between P1 and P2 (distance between lateral extents of alveoli)	47.52
left P2 anterior–posterior crown length	16.69
left P2 medial–lateral crown width	8.31
left P2 crown height	7
right P3 anterior–posterior crown length	15.42
right P3 medial–lateral crown width	7.72
right P3 crown height	7.38
right canine crown + root length	53.39
right canine crown height	18.63
right nasal bone length (anterior–posterior)	75.27
basioccipital width between medial borders of jugular foramen	66.02
left zygomatic arch (anterior–posterior) length (from anterior jugal to posterior glenoid process)	138.48
bizygomatic width (measured from surface scan)	180.7
preserved orbit width (most anterior to posterior jugal length)	69.13
left glenoid fossa width (medial–lateral)	39.21
left glenoid fossa length (anterior–posterior)	20.83
left tympanic bulla width at anterior extent (medial–lateral)	54.75
left tympano-mastoid length (anterior–medial of bulla to posterior–lateral of mastoid)	67.7
right glenoid fossa width (medial–lateral)	38.32
right glenoid fossa length (anterior–posterior)	21.05
right tympanic bulla width at anterior extent (medial–lateral)	55.87
right tympano-mastoid length (anterior–medial of bulla to posterior–lateral of mastoid)	71.58