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A new genus and species belonging to the Macrosemiidae is described. This is the first record of a macrosemiid in the New World. The material was collected from the Early Cretaceous (Albian) TlayÚa ...
The semionotid Lepidotes piauhyensis Roxo and Löfgren, 1936, is redescribed on the basis of original and new material obtained from the Pastos Bons Formation, ?Upper Jurassic-Lower Cretaceous of the ...