Journal Pre-proof Biomarker signatures of Cretaceous Gondwana amber from Ipubi Formation (Araripe Basin, Brazil) and their palaeobotanical significance Ricardo Pereira, Flaviana Jorge de Lima, Felipe M. Simbras, Sheila Maria Bretas Bittar, Alexander Wilhelm Armin Kellner, Antônio Álamo F. Saraiva, Renan A.M. Bantim, Juliana M. Sayão, Gustavo R. Oliveira PII: S0895-9811(19)30364-5 DOI: https://doi.org/10.1016/j.jsames.2019.102413 Reference: SAMES 102413 To appear in: Journal of South American Earth Sciences Received Date: 17 July 2019 Revised Date: 1 November 2019 Accepted Date: 9 November 2019 Please cite this article as: Pereira, R., de Lima, F.J., Simbras, F.M., Bittar, S.M.B., Kellner, A.W.A., Saraiva, Antô.Á.F., Bantim, R.A.M., Sayão, J.M., Oliveira, G.R., Biomarker signatures of Cretaceous Gondwana amber from Ipubi Formation (Araripe Basin, Brazil) and their palaeobotanical significance, Journal of South American Earth Sciences (2019), doi: https://doi.org/10.1016/j.jsames.2019.102413. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier Ltd.