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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
Fig. 1.
MACN A52-617, holotype oi Archaeohyrax patagonicus, left side of skull, viewed as right (adapted from
Ameghino, 1897…
typotheres) were members of the endemic South
American group Notoungulata. George Gaylord
Simpson's views on the…
Fig. 4.
MACN A52-618, holotype of Archaeotypotherium propheticus, mandibular symphysis and portion of
right horizontal ramus…
mostly late Oligocene Deseadan SALMA. Filling
a niche that presumably was similar to that of the
hypsodont archaeohyracids,…