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Geobiological and palaeoenvironmental aspects of Corumbella werneri Hahn et al. (1982) and related biota (Ediacaran, Corumbá group)

Grant number: 17/21584-1
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2018
Effective date (End): December 28, 2021
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal researcher:Mírian Liza Alves Forancelli Pacheco
Grantee:Gabriel Ladeira Oses
Home Institution: Centro de Ciências Humanas e Biológicas (CCHB). Universidade Federal de São Carlos (UFSCAR). Sorocaba , SP, Brazil
Associated research grant:16/06114-6 - The Neoproterozoic Earth System and the rise of biological complexity, AP.TEM
Associated scholarship(s):19/10929-3 - Testing biomineralization in Corumbella werneri Hahn et al. (1982) and comparison with sinotubulites: geobiological perspectives of the earliest mineralized skeletal biotas, BE.EP.DR

Abstract

Geological changes, such as tectonic reconfigurations and large glaciations, marked profound changes in the evolution of the biosphere at the Ediacaran/Cambrian boundary (ca. 541 Ma.). Ecological feedback may have contributed to the origin of animals capable of synthesizing hard skeletons or actively exploiting the substrate, which has resulted in biological diversification and radiation. In the Corumbá Group, the Tamengo Formation (MS) consists of siliciclastic and carbonate rocks deposited on a marine platform, where the oldest metazoans of South America are found-including some of the first animals able to build hard skeletons, such as Cloudina sp. and Corumbella werneri. This project aims to investigate the aspects related to the preservation and skeletogenesis of Corumbella, revealing possible geochemical, sedimentary, and geobiological controls linked to fossilization. Besides shedding light on palaeoenvironmental, taphonomic, palaeoecological, and evolutionary issues, the results of this work will compose a database for comparison with taphonomic processes of other Ediacaran geological units (e.g. Namibia, China and Australia). For that, imaging and geochemical techniques, such as SEM/EDS, Raman spectroscopy and x-ray fluorescence will be used. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PRADO, GUSTAVO; ARTHUZZI, JORGE C. L.; OSES, GABRIEL L.; CALLEFO, FLAVIA; MALDANIS, LARA; SUCERQUIA, PAULA; BECKER-KERBER, BRUNO; ROMERO, GUILHERME R.; QUIROZ-VALLE, FRANCY R.; GALANTE, DOUGLAS. Synchrotron radiation in palaeontological investigations: Examples from Brazilian fossils and its potential to South American palaeontology. Journal of South American Earth Sciences, v. 108, . (17/21584-1, 18/03364-7, 16/01827-4)
CARDOSO, ALEXANDRE RIBEIRO; ROMERO, GUILHERME RAFFAELI; OSES, GABRIEL LADEIRA; RODRIGUES NOGUEIRA, AFONSO CESAR. Taphonomy of lacustrine fish fossils of the Parnaiba Basin, northeastern Brazil: Spatial and causative relations of Konservat Lagerstatten in West Gondwana during Jurassic-Cretaceous. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, v. 542, . (17/21584-1, 12/18936-0)
GOMES, AMANDA L. S.; BECKER-KERBER, BRUNO; OSES, GABRIEL L.; PRADO, GUSTAVO; BECKER KERBER, PEDRO; DE BARROS, GABRIEL E. B.; GALANTE, DOUGLAS; RANGEL, ELIDIANE; BIDOLA, PIDASSA; HERZEN, JULIA; et al. Paleometry as a key tool to deal with paleobiological and astrobiological issues: some contributions and reflections on the Brazilian fossil record. International Journal of Astrobiology, v. 18, n. 6, p. 575-589, . (16/06114-6, 16/17219-3, 17/21584-1, 09/02312-4, 16/01827-4)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.