New specimens of the oldest fossil platyrrhine, Branisella boliviana, from Salla, Bolivia

American Journal of Physical Anthropology
Masanaru Takai, F Anaya

Abstract

During the 1992 and 1993 field seasons, several new specimens of Branisella boliviana, the oldest fossil platyrrhine, were discovered in the late Oligocene deposits at Salla, northwestern Bolivia. The new materials are two maxillary fragments and seven mandibular fragments, including P3 and P2, neither of which have previously been recovered. All new and previously reported materials, including the holotype and referred specimens, were apparently recovered from the same horizon, called the Branisella zone (MacFadden et al. [1985] J. Geol. 93:223-250; MacFadden [1990] J. Hum. Evol. 19:7-21. The crown morphology of the newly discovered upper and lower premolars suggests that Branisella has a close affinity with callitrichines. A detailed examination of all molar specimens suggests that "Szalatavus attricuspis," which was recovered at Salla in 1981 and described as a new genus by Rosenberger et al. (1991), is a junior synonym of Branisella. The Branisella-like upper molar, in which a small hypocone is preserved on the poorly developed distolingual cingulum, is a shared-derived character with callitrichines and does not correspond to the primitive state for platyrrhine phylogeny. The ancestral upper molar morphotype for platyrrhine...Continue Reading

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Citations

Mar 26, 2011·PLoS Genetics·Polina PerelmanJill Pecon-Slattery
Mar 23, 2006·Systematic Biology·Céline PouxEmmanuel J P Douzery
Nov 30, 2006·American Journal of Physical Anthropology·Carlos G Schrago
Nov 2, 2011·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Dionisios Youlatos, Jeff Meldrum
Feb 22, 2012·Evolutionary Bioinformatics Online·Leticia Loss-OliveiraCarlos G Schrago
Mar 5, 2014·Evolutionary Anthropology·Alfred L Rosenberger
Feb 27, 2013·Journal of Evolutionary Biology·C G Schrago, C M Voloch
Sep 11, 2013·Journal of Evolutionary Biology·C G SchragoA E R Soares
Aug 10, 2011·American Journal of Physical Anthropology·Paul L BabbTheodore G Schurr
Dec 17, 2020·Animals : an Open Access Journal From MDPI·Nur Aida Md TamrinMohd Tajuddin Abdullah
Feb 9, 2016·Journal of Human Evolution·Melissa Tallman, Siobhán B Cooke

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