References / paperA phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes
Pyron, R.A.; Burbrink, F.T.; Wiens, J.J.
Year2013
Source roleprimary-study
DOI / ID10.1186/1471-2148-13-93
Fitness and scope
taxonomy · topology · methods
Large molecular supermatrix and revised classification of sampled living squamates; it does not directly date fossil origins.
Claim ledger
topology · mediumThe Squamata route follows a molecular supermatrix classification of 4,161 sampled living lizard and snake species; it is an extant topology hypothesis and does not establish a fossil first appearance, ancestral species or exact divergence date.
claim:taxon:squamata