-
Tritheledontidae, the
tritheledontids or ictidosaurs, is an
extinct family of
small to medium-sized (about 10 to 20 cm long) cynodonts. They were highly...
-
cynodonts including mammaliaforms and
their closest relatives such as
Tritheledontidae and Tritylodontidae. It was
erected as a node-based
taxon by Liu and...
- few
genera that do not
belong to
either of
these groups. The
family Tritheledontidae has also been
placed in
Mammaliamorpha by some
phylogenetic analyses...
- Tri****ic.
Three groups survived the
extinction at the end of Tri****ic:
Tritheledontidae and Tritylodontidae,
which both
survived until the Jur****ic—the latter...
- both
belonging to Probainognathia. The
first is the
insectivorous Tritheledontidae,
which briefly lasted into the
Early Jur****ic. The
second is the herbivorous...
- and
descends from the non-mammalian
cynodonts Tritylodontidae and
Tritheledontidae by 10
million years.
Distinct cranial features,
especially the housing...
-
related to or
descended from traversodontids), and the tiny, shrew-like,
Tritheledontidae,
related to the Mammaliaformes. The
tritheledontids died out during...
-
survived into the
Early Cretaceous.
Another extremely mammal-like family,
Tritheledontidae, are
unknown later than the
Early Jur****ic.
Mammaliaformes was the...
-
mammals today. It is
possible that
early mammaliaforms had vibrissae;
Tritheledontidae, a
group of cynodonts,
probably had whiskers. A
common ancestor of...
- the
least specialized of all tritheledontids. The use of the
family Tritheledontidae to
include Pachygenelus and
several other chiniquodontoids has been...
