First Brazilian carcharodontosaurid and other new theropod dinosaur fossils from the Campanian–Maastrichtian Presidente Prudente Formation,São Paulo State,southeastern Brazil |
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| Institution: | 1. Laboratório de Macrofósseis, Departamento de Geologia, Instituto de Geociências, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 274, Ilha do Fundão, 21941-916 Rio de Janeiro, Brazil;2. Petrobras, Av. Conselheiro Nébias, 159, Paquetá, 11015-001 Santos, São Paulo, Brazil;3. Laboratório de Geologia, Curso de Geografia, Faculdade de Ciências Integradas do Pontal, Campus Pontal, Universidade Federal de Uberlândia, Rua 20, 1.600 Bairro Tupã, CEP 38304-402, 38300-132 Ituiutaba, Minas Gerais, Brazil;1. FONCyT-UNRC Enlace Ruta 8 y 36, Río Cuarto, Córdoba, CP 5800, Argentina;2. UNRC Enlace Ruta 8 y 36, Río Cuarto, Córdoba, CP 5800, Argentina;3. CONICET-CIG UNLP, Diagonal 113 N°275 (esq. 64), B1904DPK La Plata, Argentina;4. CONICET – Fundación Azara-Universidad Maimónides, Hidalgo 775, CABA, CP 1405, Argentina;1. Departamento de Paleobiología, Museo Nacional de Ciencias Naturales-CSIC, C/ José Gutiérrez Abascal 2, 28006 Madrid, Spain;2. Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, C/ Darwin 2, Madrid, Spain;3. Grupo de Biología, Departamento de Física Matemática y Fluidos, Facultad de Ciencias, UNED, C/ Senda del Rey 9, 28040 Madrid, Spain;4. Department of Geological Sciences, University of Cape Town, South Africa;5. Departamento de Ciencias de la Tierra y del Medio Ambiente, Universidad de Alicante, Ap. Correos 99, 03080 Alicante, Spain;6. Museo Paleontológico de Elche-Fundación Cidaris, Plaza de San Juan, s/n, 03203 Elche, Spain;7. School of Earth, Atmospheric & Environmental Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom;8. School of Earth Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom;1. Departamento de Paleontologia e Estratigrafia, Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Agronomia, 91501-970, Porto Alegre, Rio Grande do Sul, Brazil;2. Departamento de Biologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, Av. Marechal Rondon, s/n, Jardim Rosa Elze, 49100-000, São Cristóvão, Sergipe, Brazil;3. Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga, 6681, Partenon, 90619-900, Porto Alegre, Rio Grande do Sul, Brazil;1. CONICET, Argentina;2. Área Laboratorio e Investigación, Museo Municipal “Ernesto Bachmann”, Villa El Chocón, Neuquén, Argentina;3. Área de Paleontología, Fundación de Historia Natural Félix de Azara, CEBBAD, Universidad Maimónides, Hidalgo 775, 1405 Ciudad Autónoma de Buenos Aires, Argentina;4. Área de Zoología, Universidad Nacional de San Luis, Chacabuco 917, 5700 San Luis, Argentina;1. Universidade Estadual de Campinas (UNICAMP), Instituto de Geociências, Rua João Pandiá Calógeras, 51, Cidade Universitária, 13083-870 Campinas, SP, Brazil;2. Universidade de Brasília, Faculdade UnB Planaltina, 73300-000 Brasília, DF, Brazil;1. Department of Geology, Faculty of Geology and Geophysics, University of Bucharest, 1 Nicolae Bălcescu Boulevard, 010041 Bucharest, Romania;2. School of GeoSciences, University of Edinburgh, Grant Institute, James Hutton Road, Edinburgh, EH9 3FE, United Kingdom |
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| Abstract: | We report new theropod dinosaur material from the Presidente Prudente Formation (Campanian–Maastrichtian), Bauru Group, in southwestern São Paulo state. The material comprises a fragment of right maxilla of Carcharodontosauridae, an anterior portion of a left ilium of Abelisauroidea and a proximal portion of a right fibula of a coelurosaurian. Previous theropod records from the Bauru Basin comprise Abelisauridae and Tetanurae and in São Paulo state these have been represented by only a right premaxilla of an abelisaurid and isolated abelisaurid and carcharodontosaurid teeth. The new material reported here represents the first theropod remains from the Presidente Prudente Formation, and includes the first abelisauroid and coelurosaurian postcranial remains from the Bauru Basin in São Paulo state and the first latest Cretaceous carcharodontosaurid known from non-dental remains anywhere. |
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