Anatomy of the nasal cavity and paranasal sinuses in Aegyptopithecus and early Miocene African catarrhines

American Journal of Physical Anthropology
James B Rossie

Abstract

Neontological comparisons suggest that paranasal sinus anatomy is diagnostic of several catarrhine clades such as Cercopithecoidea, Hominoidea, Homininae, and Ponginae. However, while the loss of sinuses in cercopithecoids is generally recognized as a derived condition, determining the polarity of character-state changes within noncercopithecoid catarrhines requires knowledge of the primitive catarrhine condition. To address this problem, the paranasal sinus anatomy of Aegyptopithecus and several early Miocene catarrhines was investigated. Two partial facial skeletons of Aegyptopithecus were subjected to computed tomography in order to reveal their internal anatomy. These data were compared with facial and palatal specimens of Proconsul, Limnopithecus, Dendropithecus, Rangwapithecus, and Kalepithecus in the National Museums of Kenya in Nairobi, and to wet and dry specimens of living taxa. Results confirm that cercopithecoid paranasal anatomy is derived, and reveal that the sinus anatomy of stem catarrhines included a hominoid-like maxillary sinus as well as an ethmofrontal system like that of hominines. Accordingly, these two features do not constitute evidence for the hominoid, hominid, or hominine status of any fossil species...Continue Reading

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Citations

Aug 13, 2013·Journal of Human Evolution·David M AlbaSalvador Moyà-Solà
Nov 4, 2006·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Eli O MeltzerUNKNOWN Rhinosinusitis Initiative
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Dec 22, 2016·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Scott D Maddux, Lauren N Butaric
May 28, 2014·American Journal of Physical Anthropology·Timothy D SmithValerie B DeLeon
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Jul 11, 2008·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Timothy D Smith, James B Rossie
Oct 28, 2008·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Kevin L Kuykendall, Todd C Rae
Oct 28, 2008·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Christoph P E Zollikofer, John D Weissmann
Oct 28, 2008·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Todd C Rae, Thomas Koppe
Oct 28, 2008·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·James B Rossie
Nov 2, 2011·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Timothy D SmithEdward E Morrison
Nov 30, 2013·American Journal of Physical Anthropology·Susanne CoteIsaiah Nengo
Nov 20, 2013·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Eva C GarrettTimothy D Smith

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