Fig. 2

Maximum parsimony and non-clock Bayesian phylogenetic analyses. a Strict consensus of 12 trees (274 steps each) under equal weights maximum parsimony (same result as implied weighting maximum parsimony—see Suppl. Data). b MRC tree from non-clock Bayesian inference analysis. Node numbers indicate posterior probabilities. Cl, Clevosauridae; Eil, Eilenodontinae; Pl, Pleurosauridae; Sa, Saphaeosauridae; Sph, Sphenodontinae; Sq, Squamata