Pineiro, G., E. Morosi & A. Ramos (2012). Pygocephalomorph crustaceans from the early permian of Uruguay: constraints on taxonomy. Revista Brasileira de Paleontologia 15(1): 33-48.
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Pineiro, G.; Morosi, E.; Ramos, A.
2012
Pygocephalomorph crustaceans from the early permian of Uruguay: constraints on taxonomy