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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
Contributors
Darin A. Croft
Department of Organismal Biology
and Anatomy
The University of Chicago
1027 East 57th Street…
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…
Table 2. Measurements of molar row lengths for specimens of Archaeohyrax sp. nov. (Salla, Bolivia; Deseadan
SALMA) and…
Fig. 4.
MACN A52-618, holotype of Archaeotypotherium propheticus, mandibular symphysis and portion of
right horizontal ramus…
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…
Included Species—The type species, Pseudhy-
rax strangulatus (Ameghino, 1901), and the in-
determinate material described…
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,…
South American Land Mammal Ages: Correlation to
global geochronologies, pp. 317-333. In Berggren, W.
A., D. V. Kent, M.-P.…
Reguero, M. a., D. a. Croft, J. J. Flynn, and A. R.
Wyss. (2003). Small archaeohyracids (Typotheria,
Notoungulata) from…