Table 2.

Description of measurements taken from the dugong mandible (see Fig. 2).

Acronym	Measurement	Description of measurements
BL	Body length	Distance from the anterior edge to the posterior of M3
BML	Body of mandible length	Distance from the anterior edge of the mandible to the posterior end of the mandibular angle
BMW	Body of mandible width	Minimum width of the body of themandible
CH	Condyloid process height	Maximum height from the condyloid process to the lowest border of mandible
CL	Condyle length	Most superior to most inferior portion of condyle
CW	Condyle width	Maximum width from right to left extension of condyle
DPL	Dental pad length	Length of the lower dental pad at the mandibular symphysis
MA1	Mandibular angle 1	Cranial mandibular angle
MA2	Mandibular angle 2	Angle of ventral border of mandible
MA3	Mandibular angle 3	Angle between body and ramus of mandible
MA4	Mandibular angle 4	Angle between left and right mandibles
MAW	Mandibular angle width	Maximum width of the angular process of the mandible measured from the most lateral part of the right to left angular process
MFH	Mental foramen height	Height of the mental foramen
MFL	Mental foramen location	Distance from the anterior edge of the mandible to the mental foramen
MH	Mandible height	Maximum height from the coronoid process to the lowest border of the mandible
MIML	Minimum mandible length	Distance from the cranial mandibular angle to posterior of M3
ML	Mandible length	Distance from the anterior edge of the mandible to the posterior end of jaw condyle
MNW	Mandibular notch width	Maximum width of mandibular notch
MSL	Mandibular symphysis length	Length of the mandibular symphysis
MSW	Mandibular symphysis width	Width of the mandibular symphysis
MW	Mandible width	Maximum width of the mandible measured from right to left condyloid process
MWM1	Mandible width at M1	Width of the mandible at the first molar
RW	Ramus width	Minimum width of the ramus of the mandible