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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
Large Archaeohyracids (Typotheria, Notoungulata)
from Central Chile and Patagonia, Including a
Revision of Archaeotypotherium…
Fe. [
Ameghino, 1897). Scale bar = 1 cm.
ell, et al., 1992; Wyss, Flynn, et al., 1993; Wyss,
Naorell, et al., 1993).…
bar = 1 cm,
much larger size. Differs from Pseudhyrax by
higher-crowned cheek teeth (HI = 1.3-1.6 in
Pseudhyrax), relatively…
sential characters of the remaining upper check
teeth have been given in the diagnosis of Ar-
chaeotypotherium. Detachment of…
proportionately smaller and more triangular pre-
molars.
ETymMoLoGY—1In reference to the Rio Tinguirir-
ica and the…
present within the lateral depressions on the sym-
physis, almost dircctly beneath the canine.
The premolars arc all heavily…
IncLUDED SPECIES—The type species, Pseudhy-
rax sirangulatus (Ameghino, 1901), and the in-
determinate material described…
Fic. 17. SGOPV 2901, Psendiyrax sp. indet., lefc
mandibular fragment with partial m1-m3 in oblique la-
bial view (left) and…
Tarls 8. Matrix of characters used in phylogenetic analysis of archaeohyacid relationships.
0060000000 1 1 L 1 L I 11 1202 2…
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,…
South American Land Mammal Ages: Correlation to
global geachronologies, pp. 317-333. In Berggren, W.
A, D. V. Kent, M.-E…
e & e
S S o
REcuiko, M. A., D. A, CrorT, . ). FLYNN, aND A, R.
Wyss. (2003). Small archacohyracids (Typotheria,…