Project 431: G. Billet. 2010. New Observations on the Skull of Pyrotherium (Pyrotheria, Mammalia) and New Phylogenetic Hypotheses on South American Ungulates. Journal of Mammalian Evolution. 17 (1):21-59.
This project has 65 taxa.
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Showing 2 taxonomic names where genus starts with 'R'.

* indicates that a taxon has NOT matched to the NCBI hierarchy.
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Rhynchippus *
Ryphodon *