-
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).
Unlike living big cats, which...
- have
prominent saber teeth. The
clade was
defined in 2025 to
include thylacosmilids and
their more "primitive"
closest relatives such as Dimartinia. Members...
-
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...
- and Apataelurus; and two
extinct lineages of
metatherian mammals, the
thylacosmilids of Spar****odonta, and deltatheroideans,
which are more
closely related...
-
competition to
predatory metatherian spar****odonts such as
borhyaenids and
thylacosmilids,
causing the
mammalian predators to
choose forested habitats to avoid...
- of the Thylacosmiliformes, a
group also
containing the
saber toothed thylacosmilids. The
Dimartinia holotype specimen, MMH-CH 87-7-111, was
discovered in...
-
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...
-
ground sloths, glyptodonts, scimitar-toothed cats,
terror birds, and
thylacosmilids. Like
other giant extinct rodents, Josep****tigasia
predominantly ate...
- 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...
