-
promoted back to
familial status. In 1997, a
second genus and
species of
thylacosmilid was
described from the
Laventan Honda Group at the Lagerstätte La Venta...
- machaeroidines,
hyaenodonts and even in two
groups of
metatherians (the
thylacosmilid spar****odonts and the deltatheroideans). Μαχαιροῦς, from
Ancient Gr****:...
-
replaced in the animal's lifetime,
similar to
other metatherians. In
thylacosmilids, only the
lower third premolar was replaced. The
cusps of the spar****odont...
- been more
successful than for
example the
South American metatherian thylacosmilid predators (which
disappeared in the Pliocene), and it is
possible that...
-
competition to
predatory metatherian spar****odonts such as
borhyaenids and
thylacosmilids,
causing the
mammalian predators to
choose forested habitats to avoid...
- glyptodonts.
Native metatherian predators (including the saber-toothed
thylacosmilids,
which do not
appear to have
competed with Smilodon) had gone extinct...
- and Apataelurus; and two
extinct lineages of
metatherian mammals, the
thylacosmilids of Spar****odonta, and deltatheroideans,
which are more
closely related...
-
appear to have been more
successful than the
South American metatherian thylacosmilid predators (which
disappeared in the Pliocene), and it is
possible that...
-
equipped with "saber teeth". It was also the only
confirmed record of a
thylacosmilid that did not
belong to the
genus Thylacosmilus until the
official publication...
- 4 Ma
before the
first appearance of
canids or
felids in
South America.
Thylacosmilids last
occur about 3 Ma ago and
appear to be
rarer at pre-GABI Pliocene...
