- Eutheria. The
oldest uncontested metatherians are now 110
million year old
fossils from
western North America.
Metatherians were
widespread in Asia and North...
-
constitute a
clade stemming from the last
common ancestor of
extant metatherians,
which encomp****es all
mammals more
closely related to
marsupials than...
-
Theria includes the
eutherians (including the
placental mammals) and the
metatherians (including the marsupials) but
excludes the egg-laying
monotremes and...
- multituberculates,
eutriconodonts and spalacotheriids. The earliest-known
metatherian is Sinodelphys,
found in 125-million-year-old
Early Cretaceous shale...
- ὀδόντος [odous, odontos], tooth) is an
extinct order of
carnivorous metatherian mammals native to
South America,
related to
modern marsupials. They were...
-
Thylacosmilus is an
extinct genus of saber-toothed
metatherian mammals that
inhabited South America from the Late
Miocene to
Pliocene epochs.
Though Thylacosmilus...
-
years ago) and is at most no
older than
Oligocene in age. Many
extinct metatherians once
considered early opossums, such as Alphadon, Peradectes, Herpetotherium...
- "creodont"
genera Machaeroides and Apataelurus; and two
extinct lineages of
metatherian mammals, the
thylacosmilids of Spar****odonta, and deltatheroideans, which...
-
Gurbanodelta kara is an
extinct genus of
metatherian mammal. A deltatheroid, it
represents the
geologically youngest member of this clade,
dating to the...
-
Stagodontidae is an
extinct family of
carnivorous metatherian mammals that
inhabited North America and
Europe during the late Cretaceous, and possibly...
