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. 2011 Oct 10;108(42):17355–17359. doi: 10.1073/pnas.1109615108

Fig. 4.

Fig. 4.

Phylogenetic relationships and main dental characteristics of mammals developing CDR and some of their closest extant and extinct relatives. (1 and nodes) Jugal dental formula. (2) Presence of dental mesial drift (MD). (3) Presence of supernumerary teeth (ST). (4) Presence of delayed dental eruption (DE). (5) Presence of hypsodonty (H). (6) Jugal tooth replacement: premolar (P), molar (M), continuous dental replacement (CDR). In gray: occasional characteristic (for ST) or slightly manifested characteristic (for MD and DE).