-
Theria alongside Eutheria,
which contains the placentals.
Remains of
metatherians have been
found on all of
Earths continents.
Distinctive characteristics...
-
constitute a
clade stemming from the last
common ancestor of
extant metatherians,
which encomp****es all
mammals more
closely related to
marsupials than...
- "creodont"
genera Machaeroides and Apataelurus; and two
extinct lineages of
metatherian mammals, the
thylacosmilids of Spar****odonta, and deltatheroideans, which...
-
Theria includes the
eutherians (including the
placental mammals) and the
metatherians (including the marsupials) but
excludes the egg-laying
monotremes and...
-
Thylacosmilus is an
extinct genus of saber-toothed
metatherian mammals that
inhabited South America from the Late
Miocene to
Pliocene epochs.
Though Thylacosmilus...
- America. In the
northern hemisphere, cimolodont, multituberculates,
metatherians and
eutherians were the
dominant mammals, with the
former two groups...
- Luo and John Wible.
While initially suggested to be the
oldest known metatherian,
later studies interpreted it as a eutherian. Only one
fossil specimen...
-
classification of
didelphid marsupials, an
extant radiation of New
World metatherian mammals" (PDF).
Bulletin of the
American Museum of
Natural History. 322:...
- ὀδόντος [odous, odontos], tooth) is an
extinct order of
carnivorous metatherian mammals native to
South America,
related to
modern marsupials. They were...
- multituberculates,
eutriconodonts and spalacotheriids. The earliest-known
metatherian is Sinodelphys,
found in 125-million-year-old
Early Cretaceous shale...