- 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...
- This
article records new taxa of
fossil mammals of
every kind that are
scheduled to be
described during the year 2025, as well as
other significant discoveries...
- mammals – the
eutherians (placentals) in the
Northern Hemisphere and the
metatherians (marsupials, now
mainly restricted to
Australia and to some
extent South...
- 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...
-
years ago) and is at most no
older than
Oligocene in age. Many
extinct metatherians, such as Alphadon, Peradectes, Herpetotherium, and Pucadelphys, were...
- America. In the
northern hemisphere, cimolodont, multituberculates,
metatherians and
eutherians were the
dominant mammals, with the
former two groups...
-
Standhardt (2012). "The
phylogeny and
evolution of Cretaceous–Palaeogene
metatherians:
cladistic analysis and
description of new
early Palaeocene specimens...
- as
Repenomamus and Gobiconodon,
early therians began to
expand into
metatherians and eutherians, and
cimolodont multituberculates went on to
become common...
