Fig. 6: Variation of developmental cascades explain the differences between premolars and molars and their evolution.
From: Bat teeth illuminate the diversification of mammalian tooth classes
a Model for the patterning of premolars and molars. Premolars and molars develop through two independent cascades that each have their growing domain. b Variation in growth rate explain the phenotypes and pattern of tooth losses found in the different morphogroups in relationship with jaw length. c Variation of both the IC cascade and growth rate explain the diversity of premolar and molar number and size observed in Noctilionoid bats as well as how same morphologies have been reached convergently (stars).
