Origin of the avian predentary and evidence of a unique form of cranial kinesis in Cretaceous ornithuromorphs

Volume: 116, Issue: 49, Pages: 24696 - 24706
Published: Nov 18, 2019
Abstract
The avian predentary is a small skeletal structure located rostral to the paired dentaries found only in Mesozoic ornithuromorphs. The evolution and function of this enigmatic element is unknown. Skeletal tissues forming the predentary and the lower jaws in the basal ornithuromorph Yanornis martini are identified using computed-tomography, scanning electron microscopy, and histology. On the basis of these data, we propose hypotheses for the...
Paper Details
Title
Origin of the avian predentary and evidence of a unique form of cranial kinesis in Cretaceous ornithuromorphs
Published Date
Nov 18, 2019
Volume
116
Issue
49
Pages
24696 - 24706
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