Table 3. Morphological models found to best reflect bite force within each phenotypic form and sex.

	Males				Females
Phenotypic Form	Model	ß	R2	P	Model	ß	R2	P
B. melanocephalum	CHL	0.625	0.391	0.001	QT	−0.587	0.345	0.017
B. thamnobates	CT	1.335	0.334	0.031	CT	2.122	0.247	0.044
	HH	−1.421			HH	−2.292
Type A	CH	−1.607	0.245	0.105	HH	2.045	0.362	0.033
	LJL	1.627			HL	−0.17
					QT	−1.737
Type B	CH	0.758	0.735	0.031	CT	3.044	0.594	0.017
	CHH	−1.218			QT	−3.049
	HH	−0.988
	LJL	0.78
	CT	0.572
Type C	CH	−0.219	0.048	0.634	CHH	0.901	0.812	0.001

All variables were size-corrected prior to analysis. ß, Beta coefficient; R ², coefficient of determination; P, significance value; CHL, casque head length, CHH, casque head height; CH, casque height; HL, head length; HW, head width; HH, head height; LJL, lower jaw length; CT, coronoid process of mandible to snout tip; QT, posterior surface of quadrate to snout tip.