Table 2.

Eccentricity, circularity and radius of curvature (R) of squamates and mammals.

	Eccentricity			Circularity			Radius of curvature
	Min	Max	Av ± sd	Min	Max	Av ± sd	Min	max	Av ± sd
Lacertid lizards	0.86	0.94	0.90 ± 0.02	0.70	0.82	0.76 ± 0.03	0.61	1.24	0.84 ± 0.14
Anolis lizards	0.79	0.91	0.88 ± 0.02	0.67	0.90	0.83 ± 0.03	0.36	1.55	0.66 ± 0.19
Snakes	0.76	0.91	0.87 ± 0.03	0.59	0.80	0.71 ± 0.04	0.28	3.93	1.07 ± 0.55
Carnivorans	0.25	0.67	0.55 ± 0.11				1.3	2.4	1.92 ± 0.28
Marsupials	0.18	0.68	0.47 ± 0.13				0.54	2.49	1.33 ± 0.49
Squirrel-related	0	0.71	0.30 ± 0.16				0.67	2.1	1.38 ± 0.35
Xenarthrans	0.076	0.718	0.41 ± 0.18				0.79	6.4	1.9 ± 1.1
Placental mammals	0.14	0.91	0.45 ± 0.19				0.60	5.5	1.6 ± 1.0
Ruminants	0.15	0.65	0.44 ± 0.14				1.3	2.4	1.85 ± 0.37