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Title: Short and long period growth markers of enamel formation distinguish European Pleistocene hominins
Authors: Modesto-Mata, Mario
Dean, Christopher
Lacruz, Rodrigo S.
Bromage, Timothy G.
García-Campos, Cecilia
Martínez de Pinillos, Marina
Martín-Francés, Laura
Martinón-Torres, María
Carbonell, Eudald
Arsuaga, Juan Luis
Bermúdez de Castro, José María
Keywords: Biological anthropology;Developmental biology;Enamel
Issue Date: Mar-2020
Publisher: Nature Research
Citation: Scientific Reports, 2020, 10, 4665
Abstract: Characterizing dental development in fossil hominins is important for distinguishing between them and for establishing where and when the slow overall growth and development of modern humans appeared. Dental development of australopiths and early Homo was faster than modern humans. The Atapuerca fossils (Spain) fill a barely known gap in human evolution, spanning ~1.2 to ~0.4 million years (Ma), during which H. sapiens and Neandertal dental growth characteristics may have developed. We report here perikymata counts, perikymata distributions and periodicities of all teeth belonging to the TE9 level of Sima del Elefante, level TD6.2 of Gran Dolina (H. antecessor) and Sima de los Huesos. We found some components of dental growth in the Atapuerca fossils resembled more recent H. sapiens. Mosaic evolution of perikymata counts and distribution generate three distinct clusters: H. antecessor, Sima de los Huesos and H. sapiens.
ISSN: 2045-2322
DOI: 10.1038/s41598-020-61659-y
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Type: Article
Appears in Collections:Paleobiología

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