Table 4. Procrustes analysis of variance (ANOVA) results of centroid size and middle lumbar vertebra shape.

	Df	SS	MS	R 2	F	Z	Pr (>F)
Centroid size	1	0.11917	0.11917	0.0452	9.8252	5.5237	<0.0001
Genus	3	1.00793	0.33598	0.38234	27.7009	12.0794	<0.0001
Centroid size:genus	3	0.0537	0.0179	0.02037	1.4759	2.2858	0.0109
Residuals	120	1.45545	0.01213	0.55209
Total	127	2.63626