- The
surangular or
suprangular is a jaw bone
found in most land vertebrates,
except mammals.
Usually in the back of the jaw, on the
upper edge, it is connected...
-
contains a
single species, I. severnensis. It is
known from two
fragmentary surangular bones of the
lower jaw,
discovered in
separate places in 2016 and 2020...
- palatines, quadrate, quadratojugal, squamosal, vomer, braincase, articular,
surangulars, prearticular, angulars,
supradentary and coronoid,
isolated mesial and...
-
located on the
lingual side (closest to the tongue)
between the
angular and
surangular. Romer, A. S. (1956).
Osteology of the Reptiles. 772 pp.
Chicago & London...
- surface. On its
posterior end, it meet the
surangular. It had a
small hole near its
posterior end,
called surangular foramen or fenestra. Both
bones were the...
- the
proposed neotype of P. brachyspondylus, the
dorsal surface of the
surangular lacks any fossa, and in
contrast to all
other specimens of Pliosaurus...
- (Russia).
Fossils recovered include the
holotype maxilla, a premaxilla, a
surangular, and a few
bones from the hand and foot.
Additional remains referred to...
- from the Aptian. It
consists of a rear
right lower jaw
including the
surangular,
prearticular and articular.
Further material referred to S.
suwati includes...
-
combination of a
kinked suture between the
angular and the
surangular, and the
basal trait of the
surangular reaching the rear jaw edge. The
rather small foramen...
-
articular bones like in more
basal synapsids, but also the
squamosal and
surangular bones. A
joint between the
dentary and
squamosal bones, as seen in modern...
