1.32 ± 0.11 Ma age for underwater remains constrain antiquity and longevity of the Dominican primate Antillothrix bernensis

Journal of Human Evolution
Alfred L RosenbergerRenato Rímoli

Abstract

Endemic New World monkeys are an important element of the extinct mammal faunas of the Caribbean's Greater Antilles. Here we report the first geochronometric evidence that the primate Antillothrix bernensis existed in the Dominican Republic during the Pleistocene, based on the uranium-series age of carbonate speleothem that encased a tibia when it was collected in a flooded cave. Three-dimensional geometric morphometrics of laser-scanned living and extinct samples provide evidence to support the hypothesis that this specimen and other Dominican primate tibial remains belong to that same species. U-Th dating of the host cave carbonate returns ages consistently at the 600 ka upper limit of the technique. However, U-Pb, capable of resolving ages of greater antiquity, is more robust in this context, returning a secure age of 1.32 ± 0.11 Ma, which is the oldest chronometric age recorded for a Hispaniolan mammal. While its origins and manner and time of arrival are obscure, the morphometric studies are consistent with phylogenetic analyses that place A. bernensis within the pitheciid clade of the platyrrhines. The species apparently endured for over 1 million years during the climatic perturbations of the Pleistocene, as a frugivorou...Continue Reading

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Mar 12, 2013·Journal of Human Evolution·Melissa TallmanSalvador Moyà-Solà
Mar 26, 2013·American Journal of Primatology·Alfred L RosenbergerRenato Rímoli
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Aug 27, 2013·Journal of Human Evolution·Lauren B Halenar, Alfred L Rosenberger
Sep 23, 2014·Integrative Zoology·Donald R Prothero

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Citations

Oct 22, 2016·Journal of Human Evolution·Ethan L FulwoodRichard F Kay
Feb 9, 2016·Journal of Human Evolution·Melissa Tallman, Siobhán B Cooke
Jul 13, 2017·The Journal of Animal Ecology·David Outomuro, Frank Johansson

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