- The
Australosphenida are a
clade of mammals,
containing mammals with
tribosphenic molars,
known from the Jur****ic to Mid-Cretaceous of Gondwana. Although...
-
Monotremes have been
considered by some
authors to be
members of
Australosphenida, a
clade that
contains extinct mammals from the Jur****ic and Cretaceous...
- Kuehneotheriidae, Eupantotheria, and
Australosphenida.) They
share the
tribosphenic molars with the
Australosphenida but
differ from them by
having cingulid...
- echidnas, the platypus, and
their extinct relatives) into the
clade Australosphenida,
which would have
acquired tribosphenic molars independently from marsupials...
-
recently discovered fossil forms into a
proposed new
clade known as the
Australosphenida, and also
suggest that the
triangular array of
cusps may have evolved...
- Shuotheriidae, an
extinct group of
mammals from the Jur****ic of Eurasia, with
Australosphenida, a
group of
mammals known from the Jur****ic to
Cretaceous of Gondwana...
-
represented only by
teeth and jaw fragments,
which is not very helpful.
Australosphenida is a
group that has been
defined in
order to
include the Ausktribosphenidae...
- techniques: egg-laying
mammals (yinotherians or
monotremes - see also
Australosphenida), and
mammals which give live
birth (therians). The
latter subclass...
- has been
placed in the
family Shuotheriidae as a
sister taxon of the
Australosphenida (see, Yinotheria),
making it a
relative of
modern monotremes. However...
-
Monotremata species by
family Kingdom Animalia Phylum Chordata class Mammalia (unranked)
Australosphenida Tachyglossidae (Echidnas)
Ornithorhynchidae Category...
