ANALYSIS OF OSTEODERMS OF QUATERNARY CINGULATAS FROM GRUTA DA LAPINHA AND CHAPADA DIAMANTINA, BA.

Vol 1, 2025 - 327506
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Abstract

ANALYSIS OF OSTEODERMS OF QUATERNARY CINGULATAS FROM GRUTA DA LAPINHA AND CHAPADA DIAMANTINA, BA. 

AMANDA VITÓRIA BERENGUEL ROMÃO DA SILVA1, FRESIA SOLEDAD RICARDI TORRES BRANCO1, VINÍCIUS JOSÉ MARÓSTICA PAIO1, MARCELO ADORNA FERNANDES 2

1State University of Campinas, Institute of Geosciences, Department of Geology and Natural Resources, R. Carlos Gomes, 250- CEP 13083-855, Cidade Universitária, Campinas-SP, Brazil.

2Federal University of São Carlos (UFSCAR). Center for Biological and Health Sciences (CCBS), Rodovia Washington Luis, km 235 - BR CEP: 13565-905, São Carlos – SP, Brazil

[email protected], [email protected], [email protected], [email protected]

Cingulate (Xenarthra), stand out for their carapace composed of osteoderms. During the Quaternary, lineages of glyptodonts and papantherias, including the genus Holmesina, were striking components of the megafauna. The present study aims to understand the preservation processes, histological development and possible alterations caused by parasitism or postmortem events. The analyzed samples (n=19) were collected in regions of paleontological relevance of Group One, Salitre Formation. After screening and photographic recording, the samples were stabilized with PARALOID-B72 and petrographic slides were made from three osteoderms, in cross-sectional, longitudinal and sagittal sections

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Institutions
  • 1 Universidade Estadual de Campinas (UNICAMP)
  • 2 Instituto de Biologia, UFSCar, São Carlos, SP
Track
  • Taphonomy in Quaternary Studies
Keywords
osteoderms
Cingulate
histology