Scales and tooth whorls of ancient fishes challenge distinction between external and oral 'teeth'.

The debate about the origin of the vertebrate dentition has been given fresh fuel by new fossil discoveries and developmental studies of extant animals. Odontodes (teeth or tooth-like structures) can be found in two distinct regions, the 'internal' oropharyngeal cavity and the 'extern...

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Bibliographic Details
Main Authors: Qingming Qu, Sophie Sanchez, Henning Blom, Paul Tafforeau, Per Erik Ahlberg
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3741376?pdf=render