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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…
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…
nation of the members (e.g., Archacohegetotheria,
Hegetoarchaeohyracoidea) could also be used.
Some combination of these…