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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
A GEOLOGY LIBRAR
n.s.
T LDIANA
Geology
NEW SERIES, NO. 49
Large Archaeohyracids (Typotheria,
Notoungulata) from Central…
FIELDIANA
Geology
NEW SERIES, NO. 49
Large Archaeohyracids (Typotheria,
Notoungulata) from Central Chile and
Patagonia,…
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…
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…
Chubut
Salla Archaeoliyrax Psendhyrax
MI-3 (n = 11) ml-3 (n = 19) ml-3 (n = 5)
Mean + SD 250 %13 260 = 1.8 30.8 £ 08
Range…
present within the lateral depressions on the sym-
physis, almost dircctly beneath the canine.
The premolars arc all heavily…
in parenthescs are estimated.
Upper dentition
P2 P3 P4 M M2 M3
Specimen Wear W L W L W L W L W L W
SGOPY 2918 Moderate (5.…
IncLUDED SPECIES—The type species, Pseudhy-
rax sirangulatus (Ameghino, 1901), and the in-
determinate material described…
archacohyracid lower dentitions, one or both of
the Tinguiririca Favna lower dentition specimens
identified as Pseudhyrax…
Identifications of archacoliyracid specimens included in Wyss et al., 1994.
TABLE 7.
Reguero et al., 2003;
prescat study…
Fic. 17. SGOPV 2901, Psendiyrax sp. indet., lefc
mandibular fragment with partial m1-m3 in oblique la-
bial view (left) and…
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,…