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Table 4 Principal component (PC) axis loadings for colubrine snakes

From: What makes a fang? Phylogenetic and ecological controls on tooth evolution in rear-fanged snakes

Trait PC1 PC2 PC3 PC4 PC5
Number of maxillary teeth −0.585 − 0.235 −0.560 − 0.293 0.448
Length of maxillary bone −0.999 0.028 0.004 0.000 −0.004
Position of largest tooth 0.054 0.151 −0.813 0.508 −0.212
Groove width 0.143 −0.013 −0.365 − 0.677 −0.622
Fang size 0.353 0.934 −0.012 −0.029 0.030