- Eutheria. The
oldest uncontested metatherians are now 110
million year old
fossils from
western North America.
Metatherians were
widespread in Asia and North...
-
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...
- an
extinct genus of small,
primitive mammal that was a
member of the
metatherians, a
group of
mammals that
includes modern-day marsupials. Its fossils...
-
premolar was ever
replaced in the animal's lifetime,
similar to
other metatherians. In thylacosmilids, only the
lower third premolar was replaced. The cusps...
- as
Repenomamus and Gobiconodon,
early therians began to
expand into
metatherians and eutherians, and
cimolodont multituberculates went on to
become common...
- mammals – the
eutherians (placentals) in the
Northern Hemisphere and the
metatherians (marsupials, now
mainly restricted to
Australia and to some
extent South...
- (2012-12-01). "The
phylogeny and
evolution of Cretaceous–Palaeogene
metatherians:
cladistic analysis and
description of new
early Palaeocene specimens...
-
Metatherians reported from the
Sharps Formation Genus Species Location Stratigraphic position Material Notes Images Herpetotherium H.
youngi Wounded Knee...
- "Phylogeny and
Diversity of
South American Metatherians", A
Brief History of
South American Metatherians, Dordrecht:
Springer Netherlands, pp. 155–183...
