- marsupials.
Eutherians are
distinguished from non-
eutherians by
various phenotypic traits of the feet, ankles, jaws and teeth. All
extant eutherians lack epipubic...
-
distinguished from
eutherians by the form of
their teeth;
metatherians possess four
pairs of
molar teeth in each jaw,
whereas eutherian mammals (including...
-
evolution of
thermogenesis in
birds and
eutherians is
based on
shared behavioral traits. Specifically,
birds and
eutherians both
provide high
levels of parental...
- is a
subclass of
mammals amongst the Theriiformes.
Theria includes the
eutherians (including the
placental mammals) and the
metatherians (including the...
-
since at
least the
Middle Jur****ic period,
about 170 mya.
These early eutherians were small,
nocturnal insect eaters, with
adaptations for life in trees...
-
expansion of the
torso needed for full pregnancy. Even non-placental
eutherians probably reproduced this way. The
placentals give
birth to relatively...
-
Boreoeutheria (/boʊˌriːoʊjuːˈθɛriə/, "northern
eutherians") is a
magnorder of
placental mammals that
groups together superorders Euarchontoglires and Laurasiatheria...
- time.
During the Late Cretaceous,
metatherians were more
diverse than
eutherians in
North America.
Metatherians underwent a
severe decline during the...
-
Ambolestes is one of the most
basal eutherians,
presenting a
combination of
features from both
early eutherians (stem-placentals) and
early metatherians...
- are not placentals, but are non-placental
eutherians,
although they are
closely related to
placental eutherians. They
appeared in the
Lower Eocene, a time...
