Cited by 54Pleistocene-Era Hominins and ArchaeologyForensic Anthropology and Bioarchaeology StudiesMorphological variations and asymmetry

The premaxilla in Neandertal and early modern children: ontogeny and morphology

Maureille, Bruno, Bar, Dominique·1999·Journal of Human Evolution

Abstract

This comparative study of maxillae in Neandertals, Qafzeh, and extant children examines two specific traits: the premaxillary suture (sutura incisiva) and the interincisive sinuses, proposing a new hypothesis about some features of the Neandertal mid-face. Morphologic study of the premaxillary suture at its different borders (i.e. the nasal aspect of the frontal process, nasal and palatal aspects of the palatal process of the maxilla) indicates a persistence of the suture among very young Neandertal children in comparison to the condition in extant ones. This suggests a longer independence of some parts of the premaxilla in Neandertals. To further examine this possibility, CT scans of two Neandertal children were analyzed: Roc de Marsal, estimated to be about 3 years, and Engis 2, estimated to be about 5-6 years. The results are quite different between the fossils. In the older, the premaxillary suture is represented only by a deep groove. In the younger it extends deep to the surface of the nasal process reaching the Parinaud's canal. Synostosis of the premaxillary suture was found to occur later in Neandertal children than in modern ones. Moreover, we observed the existence of two interincisive sinuses in the fossil children, whereas this is rare in modern children (present on only 2% of our sample of 0-6 year-old infants, n = 247). Persistence of an open premaxillary suture represents the potential for an extended period of growth of the Neandertal mid-face. Although no trace of the premaxillary suture remains in adult Neandertals, Neandertals present many features classically considered as consequences of this persistence. The two interincisive sinuses could be a consequence of the labio-lingual diameter of the incisors. The results presented here can be further investigated by additional studies on the cranial sutural system and by precise morphologic observations and CT scans of the mid-face of a larger sample of fossil children.

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Crossref · 10.1006/jhev.1999.0312

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Authors
Maureille, B., & Bar, D.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
Journal of Human Evolution
Publisher
Elsevier BV
Published
1999-08
Volume
37
Issue
2
Pages
137-152
ISSN
0047-2484 (ISSN-L)
OpenAlex
W2009222617
Cited by
54
References
47
Citations by year
2026: 5 · 2025: 2 · 2024: 1 · 2023: 1 · 2022: 1 · 2020: 2 · 2019: 4 · 2018: 1 · 2017: 1 · 2016: 4 · 2014: 5 · 2013: 4 · 2012: 5
FWCI
7.15
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Human Evolution (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Social Sciences › Anthropology › Pleistocene-Era Hominins and Archaeology
  • Social Sciences › Arts and Humanities › Archeology › Forensic Anthropology and Bioarchaeology Studies
  • Physical Sciences › Mathematics › Geometry and Topology › Morphological variations and asymmetry
Keywords
premaxilla, ontogeny, cranial sutures, maxilla, craniofacial morphology
MeSH terms
Adult, Animals, Bone Development, Child, Child, Preschool, Biological Evolution, Fetus, Fossils, Humans, Maxilla, Osteogenesis, Tomography, X-Ray Computed, Hominidae

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