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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
Table of Contents
ABSTRACT
INTRODUCTION ...
Taxonomic Notes
Abbreviations ...
TOOTH WEAR AND DENTAL MEASUREMENTS…
Fe. [
Ameghino, 1897). Scale bar = 1 cm.
ell, et al., 1992; Wyss, Flynn, et al., 1993; Wyss,
Naorell, et al., 1993).…
typotheres) were members of the endemic South
American group Notoungulata. George Guaylord
Simpson’s views on the taxonomic…
FiG. 6. Specimens included in hypodigm of Ar-
chacotypotherium propheticus, A. MACN AS2-630.
right M2 and right m3. B. MACN…
caense with left il-
bar = 1 cm.
mon Archacohyrax sp. nov. from the younger fau-
na at Saila, Bolivia (Deseadan SALMA} but…
present within the lateral depressions on the sym-
physis, almost dircctly beneath the canine.
The premolars arc all heavily…
Oidfieldthomasia
Acropithecus
Eohyrax
Pseudhyrax
Archaeotypotherium
Protarchaeohyrax
Archaeohyrax
Hegetotherium
FiG. I8…
nation of the members (e.g., Archacohegetotheria,
Hegetoarchaeohyracoidea) could also be used.
Some combination of these…
mostly kate Oligocene Deseadan SALMA, Filling
a niche that presumably was similar (o that of the
hypsodent archaeohyracids,…