Early evolution of small body size in Homo floresiensis.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
06 Aug 2024
06 Aug 2024
Historique:
received:
10
01
2024
accepted:
18
07
2024
medline:
7
8
2024
pubmed:
7
8
2024
entrez:
6
8
2024
Statut:
epublish
Résumé
Recent discoveries of Homo floresiensis and H. luzonensis raise questions regarding how extreme body size reduction occurred in some extinct Homo species in insular environments. Previous investigations at Mata Menge, Flores Island, Indonesia, suggested that the early Middle Pleistocene ancestors of H. floresiensis had even smaller jaws and teeth. Here, we report additional hominin fossils from the same deposits at Mata Menge. An adult humerus is estimated to be 9 - 16% shorter and thinner than the type specimen of H. floresiensis dated to ~60,000 years ago, and is smaller than any other Plio-Pleistocene adult hominin humeri hitherto reported. The newly recovered teeth are both exceptionally small; one of them bears closer morphological similarities to early Javanese H. erectus. The H. floresiensis lineage most likely evolved from early Asian H. erectus and was a long-lasting lineage on Flores with markedly diminutive body size since at least ~700,000 years ago.
Identifiants
pubmed: 39107275
doi: 10.1038/s41467-024-50649-7
pii: 10.1038/s41467-024-50649-7
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
6381Subventions
Organisme : Department of Education and Training | Australian Research Council (ARC)
ID : DP1093342
Organisme : MEXT | Japan Society for the Promotion of Science (JSPS)
ID : 22H00421
Organisme : National Science Foundation (NSF)
ID : BSC-0647557
Informations de copyright
© 2024. The Author(s).
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