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Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia : including a revision of Archaeotypotherium
Table of Contents
ABSTRACT
INTRODUCTION ...
Taxonomic Notes
Abbreviations ...
TOOTH WEAR AND DENTAL MEASUREMENTS…
Fe. [
Ameghino, 1897). Scale bar = 1 cm.
ell, et al., 1992; Wyss, Flynn, et al., 1993; Wyss,
Naorell, et al., 1993).…
isolated), or heavy wear (central fossa absent; fea-
tureless occlusal surface). Although division of
tooth wear into a…
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…
bar = 1 cm,
much larger size. Differs from Pseudhyrax by
higher-crowned cheek teeth (HI = 1.3-1.6 in
Pseudhyrax), relatively…
FiG. 6. Specimens included in hypodigm of Ar-
chacotypotherium propheticus, A. MACN AS2-630.
right M2 and right m3. B. MACN…
but]™). MLP 69-111-31-2 comes from “Campo de
Velazquez, Paso de Indios, Chubut.” MLP 89-
X11-29-1 was collected by Santiago…
IncLUDED SPECIES—The type species, Pseudhy-
rax sirangulatus (Ameghino, 1901), and the in-
determinate material described…
South American Land Mammal Ages: Correlation to
global geachronologies, pp. 317-333. In Berggren, W.
A, D. V. Kent, M.-E…