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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
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EOLOGY LIBRARY
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Table of Contents
Abstract
1
Introduction
1
Taxonomic Notes
3
Abbreviations
3
Tooth…
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…
Fig. 6.
Specimens included in hypodigm of Ar-
chaeotypotherium propheticus. A. MACN A52-630,
right M2 and right m3. B. MACN…
1.
OS 00
>0 lO
00 p
(N Tt <N
SO SO vo
— t^ro
d d C)
>> >s >s >. &…
sential characters of the remaining upper cheek
teeth have been given in the diagnosis of Ar-
chaeotypotherium. Detachment of…
present within the lateral depressions on the sym-
physis, almost directly beneath the canine.
The premolars are all heavily…
Oldfieldthomasia
Acropithecus
Eohyrax
Pseudhyrax
Archaeotypotherium
Protarchaeohyrax
Archaeohyrax
Hegetotherium
Fig. 18…
nation of the members (e.g., Archaeohegetotheria,
Hegetoarchaeohyracoidea) could also be used.
Some combination of these…
mostly late Oligocene Deseadan SALMA. Filling
a niche that presumably was similar to that of the
hypsodont archaeohyracids,…