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1973 |
Os troncos proboscideo-sirênio e sua provável origem protungulada.
Atas Soc. Biol. Rio de Janeiro 16(2-3): 131-140. 1 fig. June 20, 1973.
–Engl. summ. Discusses the phylogeny of the proboscidean, sir., and related lineages, and suggests that subungulates were derived from periptychid condylarths.
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