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Description of skull internal anatomy of a Podocnemidoidea (Pleurodira: Pelomedusoides) from the Cretaceous of São Paulo

Grant number: 16/03373-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): July 01, 2016
Effective date (End): October 31, 2018
Field of knowledge:Biological Sciences - Zoology
Principal Investigator:Max Cardoso Langer
Grantee:Guilherme Hermanson Souza
Home Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated scholarship(s):16/17116-0 - Comparative inner ear anatomy of side-necked turtles based on microcomputed tomography and its systematic and functional implications, BE.EP.IC


Descriptions of turtles braincase and inner ear are scarse in literature. The present study focus on describing the referred structures of a fossil specimen related to Podocnemidoidea by using computed microtomography. The material was retrieved from the Grupo Bauru sediments (Upper Cretaceous) located near Monte Alto (São Paulo state), and is partially covered by matrix, hindering its internal view. The virtual reconstruction of the fossil from images generated by CT will provide information unable to be accessed through its mechanical preparation, such as the otic region. The observed characters will be described in comparison with other taxa belonging to the same lineage whose reconstructions are available on digital collections. From this study, the described characters may be included in future phylogenetic and morphological analysis of the group.

Articles published in other media outlets: (1 total)

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)
FERREIRA, GABRIEL S.; IORI, V, FABIANO; HERMANSON, GUILHERME; LANGER, MAX C. New turtle remains from the Late Cretaceous of Monte Alto-SP, Brazil, including cranial osteology, neuroanatomy and phylogenetic position of a new taxon. PALAEONTOLOGISCHE ZEITSCHRIFT, v. 92, n. 3, p. 481-498, SEP 2018. Web of Science Citations: 4.
HERMANSON, GUILHERME; FERREIRA, GABRIEL S.; LANGER, MAX C. The largest Cretaceous podocnemidoid turtle (Pleurodira) revealed by an isolated plate from the Bauru Basin, south-central Brazil. HISTORICAL BIOLOGY, v. 29, n. 6, p. 833-840, 2017. Web of Science Citations: 1.

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