-
earliest and most
basal probainognathian is the
Middle Tri****ic (Anisian) aged Lumkuia, from
South Africa,
though probainognathians would not
become prominent...
-
evolved in
probainognathians,
though it does not
entirely rule out an
earlier origin of fur.
Whiskers probably evolved in
probainognathian cynodonts....
- Middle-Early Late Tri****ic of
Brazil and
Comments on
South American Probainognathians". PLOS ONE. 11 (10): e0162945. Bibcode:2016PLoSO..1162945M. doi:10...
- four main
cusps placed in a
straight line.
Unlike in
other basal probainognathians like Chiniquodon, the
cusps were not recurved. The
lower postcanines...
- and
close relatives (Mammaliaformes),
having evolved from
advanced probainognathian cynodonts during the Late Tri****ic. Non-mammalian
cynodonts occupied...
- were very
similar to
their early synapsid ancestors and
ending with
probainognathian cynodonts, some of
which could easily be
mistaken for mammals. Those...
-
prefrontal and
postorbital bones,
which were
found in more
basal probainognathians like Prozostrodon.
There was no
postorbital bar
behind the eye socket...
- of
cynodont relationships: Hopson, J.A.; Kitching, J.W. (2001). "A
probainognathian cynodont from
South Africa and the
phylogeny of
nonmammalian cynodonts"...
- 4072/rbp.2013.1.05.
James A.
Hopson and
James W. Kitching, 2001, "A
Probainognathian Cynodont from
South Africa and the
Phylogeny of
Nonmammalian Cynodonts"...
- the
referred specimen preserves two or three.
Based on
other basal probainognathians,
Bonacynodon likely had
additional foramina which have not been preserved...
