Petrosal bone morphology: Table

TABLE 1. Measurements of the bony labyrinth of Proboscidea. Linear measurements are in mm.

	Cochlear canal						Semicircular canal lengths			Semicircular canal angles			Radius
	Cochlear coiling	Cochlear length	Cochlear aspect ratio	Relative volume of the cochlea	Radii ratio	Stapedial ratio	Anterior	Lateral	Posterior	LASC	LPSC	APSC	Anterior	Lateral	Posterior
Palaeoloxodon tiliensis	752°	33.92	0.46	0.36	8.60	1.90	16.36	9.16	15.45	64°	87°	74°	3.46	2.12	3.51
Elephas^{b, c}	793°	38.10	0.55	0.26	8.80	1.59	18.90	10.15	14.36	67°	86°	63°	4.19	2.58	3.73
Loxodonta^{b, c}	670°	39.05	0.49	0.46	7.01	1.53	16.20	8.22	16.54	66°	93°	72°	4.70	0.29	4.79
Elephantimorph^a	765°	13.94	0.42	0.31	NA	1.80	24.57	24.28	12.54	66°	93°	74°	4.99	2.67	5.51
Numidotherium^b	584°	16.66	0.51	0.44	3.55	1.81	12.17	NA	14.44e	82°e	92°e	75°	3.27	2.46e	3.21e

e: estimated value; NA: not available.
^a After Ekdale (2011).
^b After Benoit et al. (2013a, b).
^c After Manoussaki et al. (2008).