- 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...
- parietals, and the
lower jaws are
limited to
their upper rear bones, the
surangulars and articulars. A
fifth specimen is MOR 456.1, a subadult. None of the...
- an
infection in the
right upper jaw and
there are bite
traces in the
surangular of the left
lower jaw. This may have been
caused by a male T. rex during...
-
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...
- fenestra, the main
opening in the
outer side, is
mainly located in the
surangular. The
described specimens of
Yutyrannus contain direct evidence of feathers...
- the braincase,
while the
lower jaw
bones (dentary, splenial, angular,
surangular, and articular) have been
fused together into a unit
called the mandible...