An Acad Bras Cienc 2021 4;93(suppl 2):e20201557. Epub 2021 Aug 4.
Universidade do Estado do Rio de Janeiro, Faculdade de Formação de Professores, Departamento de Ciências (UERJ/FFP/DCIEN), Campus São Gonçalo, Rua Dr. Francisco Portela, 1470, Patronato, 24435-005 São Gonçalo, RJ, Brazil.
Archosaur osteological remains are abundant in Brazil, particularly from the Triassic and Cretaceous strata, but in Jurassic, the record is predominantly represented by ichnofossils. The Upper Jurassic archosaur records comprise the Paralligatoridae Batrachomimus pastosbonensis, from the Pastos Bons Formation (Parnaíba Basin), remains of Mesoeucrocodylia from the Aliança Formation (Jatobá Basin), and fragments of Dinosauria from the Brejo Santo Formation (Araripe Basin) with a dubious assignment. Here, we present the first undoubted Dinosauria record for the Jurassic of Brazil, MCT 2670-LE, a middle to distal caudal vertebra belonging to a theropod. Read More