Abstract
Fossil caridean shrimp of Palaemonidae are reasonably common in Cretaceous and Oligocene deposits of Brazil. Reexamination of species assigned to Pseudocaridinella Martins-Neto and Mezzalira, 1991b, indicate that a new genus, Bahiacaris n. gen., must accommodate one of the referred species, Bahiacaris roxoi new combination. Palaemonidae invaded freshwater in South America by the late Early Cretaceous.
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