Specimens of Mirounga leonina examined in this study

	Collection number	Sex	Age class	BL
1	MACN 20608*	M	CIII	89.88
2	MACN 24.91*	M	CIII	104.53
3	MACN 13.26*	M	CIII	107.76
4	MACN 24.93*	M	CIII	88.33
5	MACN 24.49	M	CIII	92.48
6	MACN 24.92*	M	CIII	90.65
7	MACN 22611*	F	CIII	63.57
8	MACN 26222*	M	CII	63.18
9	MACN 22614*	F	CIII	70.45
10	MACN 22612*	F	CIII	73.48
11	MACN 22613*	F	CIII	69.32
12	MACN 49.52*	F	CI	60.31
13	MACN 22615*	F	CI	48.66
14	MLP 947*	M	CIII	109.63
15	MLP 26.IV.00.13*	M	CII	109.81
16	MLP 1504*	M	CIII	95.59
17	MLP 14.IV.48.13	M	CI	57.15
18	MLP 1966*	F	CI	51.4
19	MLP 1971*	F	CI	49.49
20	FMM 107	M	CIII	99.77
21	FMM 109*	M	CIII	80.01
22	IAA AA-A*	F	CIII	70.46
23	IAA AA-B*	M	CI	58.86
24	IAA AA-C*	M	CI	59.49
25	IAA AA-7*	F	CI	55.97
26	IAA AA-6*	M	CI	58.21
27	IAA AA-8*	F	CI	50.88
28	IAA AA-2*	M	CI	52.89
29	IAA AA-11*	F	CI	57.5
30	IAA AA-10*	F	CI	52.53
31	IAA AA-9*	F	CI	56.5
33	IAA 02.14*	M	CI	58.09
34	IAA 02.19*	M	CI	61.6
35	IAA 02.25*	F	CI	50.23
36	IAA 02.18	M	CI	59.38
37	IAA 02.30*	M	CI	57.44
38	IAA 02.28*	F	CI	59.03
39	IAA 02.22*	M	CI	59.98
40	IAA 02.29*	F	CI	55.11
41	IAA 02.20*	F	CI	59.34
42	IAA 02.26*	M	CI	58.16
43	IAA 02.23*	F	CI	55.21
44	IAA 02.24*	F	CI	58.68
45	IAA 02.17*	F	CI	51.54
46	IAA 02.21*	M	CI	62.61
47	IAA 02.12*	M	CIII	78.92
48	IAA 99.5*	M	CIII	108.8
49	IAA 00.8*	M	CIII	112.43
50	IAA 03.5*	F	CIII	73.91
51	IAA 03.4*	F	CIII	73.55
52	IAA 96.1*	F	CIII	70.92
53	IAA 00.9*	F	CIII	70.34
54	IAA 01.14*	F	CI	44.64
55	IAA 02.16*	M	CII	63.85
56	IAA 02.27	M	CI	53.52
57	LAMAMA ML-25*	F	CII	79.46
58	LAMAMA CNP-105*	M	CIII	108.33
59	LAMAMA CNP-035*	M	CIII	106.17
60	LAMAMA ML-059*	M	CIII	105.13
61	LAMAMA CNP-102*	M	CIII	97.91
62	LAMAMA CNP-104*	M	CIII	103.31
63	LAMAMA CNP-111*	F	CIII	73.21
64	LAMAMA CNP-109	M	CII	64.56
65	LAMAMA 103*	M	CIII	100.12
66	LAMAMA CNP-101*	M	CII	65.06
67	LAMAMA CNP-037*	F	CI	61.98
68	LAMAMA CNP-100	F	CII	64.54
69	LAMAMA ML-32*	M	CIII	107.43
70	LAMAMA ML-34*	M	CIII	96.92
71	LAMAMA ML-28*	M	CIII	100.55
72	LAMAMA ML-35*	F	CIII	75.94
73	LAMAMA ML-36*	F	CI	53.45
74	LAMAMA ML-29	M	CII	71.04
75	LAMAMA ML-30	M	CII	72.8
76	LAMAMA ML-33	F	CI	42.85
77	LAMAMA ML-23	M	CI	49.52
78	LAMAMA ML-24*	F	CI	47.43
79	LAMAMA ML-26*	F	CI	59.9
80	LAMAMA ML-31*	F	CIII	73.61
81	LAMAMA ML-1*	F	CI	53.77
82	LAMAMA ML-4*	F	CI	50.51
83	LAMAMA ML-3*	M	CII	71.39
84	LAMAMA ML-9	F	CIII	74.82
85	MHNM 5767*	M	CIII	111.7
86	MHNM 5766*	M	CIII	105.89
87	MHNM 1277*	M	CIII	104.2
88	MHNM 5768*	M	CIII	99.5
89	MHNM S/N*	F	CI	54.32
90	MNHN 1972-647*	M	CIII	107.72
91	MNHN 1971-113*	M	CIII	103.34
92	MNHN 2012-983*	M	CIII	112.9
93	MNHN 1972-652*	M	CII	82.21
94	MNHN 2012-986*	M	CIII	120.17
95	MNHN 1978-347*	F	CIII	73.85
96	MNHN 2012-985*	F	CIII	70.18
97	MNHN 1972-651*	F	CIII	75.46
98	MNHN 1939-449*	M	CIII	109.33
99	MNHN 1972-142*	F	CII	66.09
100	MNHN 1977-20*	M	CIII	110.8
101	IAA AA-14 a	M	CII	n/a
102	IAA AA-14 b	M	CII	n/a
103	IAA AA-14 c	M	CII	n/a
104	IAA AA-14 d	M	CII	n/a
105	IAA AA-14 e	indet	CI	n/a
106	IAA AA-14 f	indet	CI	n/a
107	IAA AA-14 g	indet	CI	n/a
108	IAA AA-14 h	indet	CI	n/a
109	IAA AA-14 i	indet	CI	n/a
110	IAA AA-14 j	indet	CI	n/a
111	MLP 777-C	indet	CI	n/a
112	MLP 781-C	indet	CI	n/a
113	MLP 775-C	indet	CI	n/a
114	MLP 782-C	M	CIII	n/a
115	MLP 779-C	indet	CI	n/a
116	MLP 783-C	F	CIII	n/a
117	MLP 784-C	indet	CI	n/a
118	MLP 785-C	indet	CI	n/a

F, females; M, males; n/a, not available data because of isolated, or partially broken, otic regions.

For museum abbreviations, see Materials and methods.

^*Specimens used in the morphometric analyses.