The fossil assemblage from Pontils, a middle Eocene primate-bearing locality from Northeastern Spain
Minwer-Barakat Requena, Raef (Institut Català de Paleontologia Miquel Crusafont)
Bolet, Arnau (Institut Català de Paleontologia Miquel Crusafont)
Anadón, Pere (Consejo Superior de Investigaciones Científicas (Espanya). Institut de Ciències de la Terra Jaume Almera)
Alegret, Laia (Universidad de Zaragoza. Departamento de Ciencias de la Tierra)
Badiola, Ainara (Universidad del País Vasco. Departamento de Geología)
Blanco, Alejandro (Universidade da Coruña. Departamento de Física e Ciencias da Terra)
Cotton, Laura (University of Copenhagen. Natural History Museum Denmark)
Femenias-Gual, Joan (Institut Català de Paleontologia Miquel Crusafont)
Furió Bruno, Marc (Universitat Autònoma de Barcelona. Departament de Geologia)
Godinot, Marc (Ecole Pratique des Hautes Etudes)
Moyà Solà, Salvador (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Peláez-Campomanes, Pablo (Museo Nacional de Ciencias Naturales. Departamento de Paleobiología)
Sanjuan, Josep (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà)
Marigó Cortés, Judit (Institut Català de Paleontologia Miquel Crusafont)

Data:	2023
Resum:	The Pontils fossil site (middle Eocene, Ebro Basin, Spain) includes several vertebrate-bearing levels situated in a sequence recording a continental to marine transition. Although the locality has been known since the 1980s and scarce mammal remains have been already documented, an intensive sampling has not been developed until now. This work presents the first results of the recent field campaigns carried out at this site. Seven levels have yielded significant vertebrate remains, revealing a diverse assemblage which includes chondrichthyans, actinopterygians, amphibians, crocodilians, squamates, metatherians, eulipotyphlans, apatotherians, chiropterans, rodents, artiodactyls, perissodactyls, and primates, besides other non-vertebrate fossils. The Pontils assemblage indicates a mangrove swamp environment with warm and humid conditions and increasing marine influence towards the top of the sequence. Among mammals, primates are particularly diverse, including abundant remains of a minuscule, still undetermined omomyiform, and scarce teeth of Pseudoloris, Necrolemur, and an undetermined anchomomyin. The occurrence of larger benthic foraminifera allows the assignment of Pontils to Shallow Benthic Zone 17 (Bartonian), solving the debate about the age of the locality, previously assigned either to the Bartonian or the Lutetian. These data, together with previous magnetostratigraphic analyses, allow correlation to chrons C18r or C18n. 1r, constraining the age of Pontils to between 39. 58 and 41 Ma. Therefore, the Pontils site represents a new reference section for the correlation of marine and continental biostratigraphy during the middle Eocene.
Ajuts:	Agencia Estatal de Investigación PID2021-122355NB-C31 Agencia Estatal de Investigación PID2020-116908GB-I00 Agencia Estatal de Investigación PID2019-105537RB-I00 Ministerio de Ciencia e Innovación RYC2021-034366-I Agència de Gestió d'Ajuts Universitaris i de Recerca 2022/SGR-01188 Agència de Gestió d'Ajuts Universitaris i de Recerca 2021/SGR 00127 Ministerio de Ciencia e Innovación IJC2018-037685-I
Nota:	Altres ajuts: project CLT009/18/00069 financed by the Culture Department of the Generalitat de Catalunya
Drets:	Tots els drets reservats.
Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Publicat a:	Journal of vertebrate paleontology, Published online: 17 Oct 2023, art. e2259970, ISSN 1937-2809

DOI: 10.1080/02724634.2023.2259970

Disponible a partir de: 2025-06-30 Postprint

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