-
Theria alongside Eutheria,
which contains the placentals.
Remains of
metatherians have been
found on all of Earth’s continents.
Distinctive characteristics...
-
Thylacosmilus is an
extinct genus of saber-toothed
metatherian mammals that
inhabited South America from the Late
Miocene to
Pliocene epochs.
Though Thylacosmilus...
-
called metatherians,
probably split from
those of
placentals (eutherians)
during the mid-Jur****ic period,
though no
fossil evidence of
metatherians themselves...
-
Theria includes the
eutherians (including the
placental mammals) and the
metatherians (including the marsupials) but
excludes the egg-laying
monotremes and...
-
Stagodontidae is an
extinct family of
carnivorous metatherian mammals that
inhabited North America and
Europe during the late Cretaceous, and possibly...
- ὀδόντος [odous, odontos], tooth) is an
extinct order of
carnivorous metatherian mammals native to
South America,
related to
modern marsupials. They were...
- Luo and John Wible.
While initially suggested to be the
oldest known metatherian,
later studies interpreted it as a eutherian. Only one
fossil specimen...
-
Borhyaenidae is an
extinct metatherian family of low-slung,
heavily built predatory mammals in the
order Spar****odonta.
Borhyaenids are not true marsupials...
- "creodont"
genera Machaeroides and Apataelurus; and two
extinct lineages of
metatherian mammals, the
thylacosmilids of Spar****odonta, and deltatheroideans, which...
- Jur****ic or
early Cretaceous; it is
found in the
eutherian Eomaia and the
metatherian Sinodelphys, both
dated to 125 million
years ago.
Epipubic bones, a feature...
