Heterochronic truncation of odontogenesis in theropod dinosaurs provides insight into the macroevolution of avian beaks

Volume: 114, Issue: 41, Pages: 10930 - 10935
Published: Sep 25, 2017
Abstract
Significance We identified truncation of tooth development during postnatal ontogeny in two theropod dinosaurs, a caenagnathid oviraptorosaur and the Early Cretaceous bird Sapeornis . Developmental and paleontological evidence each suggests dental reduction and beak evolution are coupled, and a sequence of common morphologies is identified that characterizes the multiple transitions to toothless beaks in theropod dinosaurs and birds. Shifts...
Paper Details
Title
Heterochronic truncation of odontogenesis in theropod dinosaurs provides insight into the macroevolution of avian beaks
Published Date
Sep 25, 2017
Volume
114
Issue
41
Pages
10930 - 10935
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