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Table 1 Strong phylogenetic signal in each trait analyzed supports the notion that dental traits in snakes are controlled, to some extent, by evolutionary history, and provides justification for our use of comparative methods to understand correlations between traits

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

Trait

λ

P-value

K

P-value

Number of maxillary teeth

0.999

<  0.0001

1.281

0.001

Length of maxillary bone

0.999

<  0.0001

0.948

0.001

Position of largest tooth

0.812

<  0.0001

1.001

0.001

Groove width

0.917

<  0.0001

0.740

0.002

Fang size

0.999

<  0.0001

1.001

0.001

Relative posterior tooth length (colubrid only)

0.890

<  0.0001

0.735

0.002