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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
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 >. &…
Fig. 7.
Epoxy cast of SGOPV 2823, holotype of Archaeotypothehum tinguiriricaense, palate with left and right
C1-M2 (canines…
Fig. 10.
Epoxy cast of SGOPV 3043, partial left and right mandibles (fused) of Archaeotypotherium tinguiriri-
caense with…
structure to i3 in other specimens, we favor the
latter alternative, pending additional specimens
that might suggest…
Fig. 12.
Epoxy casts of specimens of Archaeotypotherium pattersoni. A. SGOPV 2918 (holotype), right maxilla
with P2-M3,…
B
Fig. 15.
SGOPV 2877, Pseudhyrax cf. P. eutrachytheroides, left and right II, left P3-M3. A. Occlusal view. B.…
CQ
S3 c
as
Otf a
a a ?>
c c g
^5)
3 C
5 S <4i s
a s
•C 'CO,
<;>
^.
-s: -c '…
a small fossettid directly posterior to the central
fossa, a condition characteristic of Pseudhyrax; no
other characters of…
Oldfieldthomasia
Acropithecus
Eohyrax
Pseudhyrax
Archaeotypotherium
Protarchaeohyrax
Archaeohyrax
Hegetotherium
Fig. 18…
South American Land Mammal Ages: Correlation to
global geochronologies, pp. 317-333. In Berggren, W.
A., D. V. Kent, M.-P.…