Abstract
Fossil freshwater carideans are very rare worldwide. Here, we present new taxonomic remarks about Beurlenia araripensis from the Early Cretaceous laminated limestones of the Crato Formation, Araripe Basin, northeastern Brazil. We analyzed five fossil samples, testing the morphological variations such as, rostrum with 5 to 14 supra-rostral spines and 2 to 3 sub-rostral spines, which appears as serrate for Caridea. This variation demonstrates a morphologic plasticity also seen in extant species of the group, such as those of the genera Macrobrachium and Palaemon. Copyright:
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CITATION STYLE
Barros, O. A., Viana, M. S. S., Viana, B. C., Da Silva, J. H., Paschoal, A. R., & De Oliveira, P. V. (2021, March 1). New data on Beurlenia araripensis Martins- Neto & Mezzalira, 1991, a lacustrine shrimp from Crato Formation, and its morphological variations based on the shape and the number of rostral spines. PLoS ONE. Public Library of Science. https://doi.org/10.1371/journal.pone.0247497
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