Table 1.

Summary table, eigenvalues, and loadings for principal component analysis of Baletemys- and Tarsomys-clade cranial linear morphometrics.

	PC1	PC2	PC3	PC4
Standard deviation	0.859	0.130	0.107	0.0862
Proportion of variance	0.933	0.02	0.014	0.0094
Cumulative proportion	0.933	0.954	0.969	0.978
Eigenvalue	14.847	0.377	0.235	0.151

Loading	PC1	PC2	PC3	PC4
BOL	0.272	0.027	−0.027	0.130
IB	0.188	−0.231	−0.341	0.339
MB	0.156	−0.040	−0.021	0.081
LN	0.267	−0.135	−0.072	0.280
LIF	0.266	−0.121	0.610	−0.231
DR	0.282	0.195	0.005	0.206
LR	0.255	−0.239	−0.145	0.201
OL	0.257	0.287	0.140	−0.134
LM1-3	0.320	0.009	−0.280	−0.432
PBM1	0.212	−0.310	−0.122	−0.244
LD	0.260	−0.137	−0.001	0.253
PPL	0.223	0.401	0.043	0.281
PBM3	0.228	−0.508	0.387	−0.023
HBC	0.162	0.193	−0.115	0.053
BM1	0.250	0.022	−0.403	−0.482
BIT	0.327	0.402	0.210	−0.064
BZP	0.272	0.027	−0.027	0.130