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Morphological reconstitution and systematic analysis of Corumbella werneri Hahn et al. 1982 (Tamengo Formation, Ediacaran, Corumbá Group), Mato Grosso do Sul, Brazil: paleoecological and taphonomical implications.

Grant number: 09/02312-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2009
Effective date (End): April 30, 2012
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal Investigator:Juliana de Moraes Leme Basso
Grantee:Mírian Liza Alves Forancelli Pacheco
Home Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

Given the lack of studies about Corumbella werneri and the relevance of these organisms to understand the biological and geological events that occurred in the Proterozoic/Cambrian transition, it is proposed here a systematic, paleoecologic and paleobiogeographic analysis of Corumbella werneri occurrences in the Tamengo Formation (Corumbá Group), Terminal Neoproterozoic, Mato Grosso do Sul. In this context, this project aims: a) to review the Corumbella werneri specimens, from Tamengo Formation, Corumbá Group, based on samples proceeding from Itaú and Lajinha quarries, near Corumbá city, MS, b) to review morphological attributes and terms used in literature, for the systematic study of Corumbella werneri, c) to perform a basic taphonomic analysis to determine the morphological attributes that can mislead taxonomic interpretations, d) to verify the existence of variation in taxonomic composition of Corumbella werneri, from Tamengo Formation, e) to establish paleoecological characteristics of Corumbella werneri, such as habitat and way of life, f) to confirm morphological and paleoecological evidences used in discussions about phylogenetic relationships of Corumbella werneri among Metazoa (Cnidaria) and "Vendobionta", and, g) to compare Corumbella occurrences from Tamengo Formation to other correlated fossils, for example, the ones from the Lower Wood Canyon Formation, Great Basin, USA Arroyo del Soldado Group, Uruguay, in order to discuss paleobiogeographic and geocronologic implications, among these basins. Considering what is exposed above, researches about Corumbella werneri are essential to establish the events that occurred in Neoproterozoic and should encourage more detailed understanding of patterns and biological and geological processes that were subsequent to this eon, in Phanerozoic.

Scientific publications (7)
(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)
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; PFEIFFER, FRANZ; RIZZUTTO, MARCIA A.; PACHECO, MIRIAN L. A. F. 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, DEC 2019. Web of Science Citations: 1.
PARRY, LUKE A.; BOGGIANI, PAULO C.; CONDON, DANIEL J.; GARWOOD, RUSSELL J.; LEME, JULIANA DE M.; MCILROY, DUNCAN; BRASIER, MARTIN D.; TRINDADE, RICARDO; CAMPANHA, GINALDO A. C.; PACHECO, MIRIAN L. A. F.; DINIZ, CLEBER Q. C.; LIU, ALEXANDER G. Ichnological evidence for meiofaunal bilaterians from the terminal Ediacaran and earliest Cambrian of Brazil. NATURE ECOLOGY & EVOLUTION, v. 1, n. 10, p. 1455-1464, OCT 2017. Web of Science Citations: 22.
MENDOZA-BECERRIL, MARIA A.; MARONNA, MAXIMILIANO M.; PACHECO, MIRIAN L. A. F.; SIMOES, MARCELLO G.; LEME, JULIANA M.; MIRANDA, LUCILIA S.; MORANDINI, ANDRE C.; MARQUES, ANTONIO C. An evolutionary comparative analysis of the medusozoan (Cnidaria) exoskeleton. Zoological Journal of the Linnean Society, v. 178, n. 2, p. 206-225, OCT 2016. Web of Science Citations: 5.
BIDOLA, PIDASSA; STOCKMAR, MARCO; ACHTERHOLD, KLAUS; PFEIFFER, FRANZ; PACHECO, MIRIAN L. A. F.; SORIANO, CARMEN; BECKMANN, FELIX; HERZEN, JULIA. Absorption and Phase Contrast X-Ray Imaging in Paleontology Using Laboratory and Synchrotron Sources. Microscopy and Microanalysis, v. 21, n. 5, p. 1288-1295, OCT 2015. Web of Science Citations: 0.
PACHECO, MRIAN L. A. FORANCELLI; GALANTE, DOUGLAS; RODRIGUES, FABIO; LEME, JULIANA DE M.; BIDOLA, PIDASSA; HAGADORN, WHITEY; STOCKMAR, MARCO; HERZEN, JULIA; RUDNITZKI, ISAAC D.; PFEIFFER, FRANZ; MARQUES, ANTONIO C. Insights into the Skeletonization, Lifestyle, and Affinity of the Unusual Ediacaran Fossil Corumbella. PLoS One, v. 10, n. 3 MAR 30 2015. Web of Science Citations: 20.
DELGADO, ADRIANA DE OLIVEIRA; BUCK, PEDRO VICTOR; OSES, GABRIEL LADEIRA; GHILARDI, RENATO PIRANI; RANGEL, ELIDIANE CIPRIANO; ALVES FORANCELLI PACHECO, MIRIAN LIZA. Paleometry: A Brand New Area in Brazilian Science. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 17, n. 6, p. 1434-1441, NOV-DEC 2014. Web of Science Citations: 4.
ADRIANA DE OLIVEIRA DELGADO; PEDRO VICTOR BUCK; GABRIEL LADEIRA OSÉS; RENATO PIRANI GHILARDI; ELIDIANE CIPRIANO RANGEL; MIRIAN LIZA ALVES FORANCELLI PACHECO. Paleometry: A brand new area in Brazilian science. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 17, n. 6, p. 1434-1441, Dez. 2014.

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