Descrição de um novo decapoda (Natantia, Malacostraca, Crustacea) da formação riachuelo, albiano da bacia de Sergipe

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Abstract

A New Decapoda (Natantia, Malacostraca, Crustacea) From the Riachuelo Formation, Albian of the Sergipe Basin A “lobster” fossil from the Riachuelo Formation, Sergipe Sub-basin, is here described and placed in the Decapoda, Infraorder Palinura, based on the flattened carapace and the well-developed abdomen. The specimen is characterized by a dorsal median keel and a keel in each margin of the carapace and abdomen. Field data and petrographic studies suggest that the environment in which the Decapoda lived was probably a place with waves and moderate currents, located behind a sand barrier or in within a lagoon. Apparently, the carbonization process was responsible for specimen preservation.

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dos Reis, M. A. F., Turbay, C. V. G., & de Cesero, P. (2005). Descrição de um novo decapoda (Natantia, Malacostraca, Crustacea) da formação riachuelo, albiano da bacia de Sergipe. Anuario Do Instituto de Geociencias, 28(1), 80–91. https://doi.org/10.11137/2005_1_80-91

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