- Spar****odonta.
Borhyaenids are not true marsupials, but
members of a
sister taxon, Spar****odonta. Like most metatherians,
borhyaenids and
other spar****odonts...
- (Paucituberculata)
alongside non-marsupial
metatherian predators such as the
borhyaenids and the saber-toothed Thylacosmilus.
South American niches for mammalian...
-
Borhyaenoidea refers to a
restricted subgroup of spar****odonts
comprising borhyaenids and
their close relatives.
Almost all spar****odonts have an exceptionally...
-
mammalian predators,
though they did co-exist with some large,
carnivorous borhyaenid mammals. The long and
slender tarsometatarsus of
Kelenken suggests that...
-
presented intense competition to
predatory metatherian spar****odonts such as
borhyaenids and thylacosmilids,
causing the
mammalian predators to
choose forested...
-
mammalian predators,
though they did co-exist with some large,
carnivorous borhyaenid mammals.
Titanis co-existed with many
placental predators in
North America...
- elephant-like
pyrotheres and the dog-like
marsupial relatives called borhyaenids and the
monotremes and
marsupials of Australia.
Mammal evolution in the...
- monte).
Larger predatory relatives of
these also existed, such as the
borhyaenids and the saber-toothed Thylacosmilus;
these were spar****odont metatherians...
-
under the ****umption that
Thylacosmilus was
merely a late and
specialized borhyaenid. Later, with the
discovery of
fragmentary specimens of new spar****odonts...
-
mammalian predators,
though they did co-exist with some large,
carnivorous borhyaenid mammals.
Earlier hypotheses of
phorusrhacid feeding ecology were mainly...
