-
skeletal characteristics.
These include laminae on the vertebrae, a
posterodorsal process of the premaxilla, a lack of
notochordal canals, and the loss...
-
synapomorphies of
Sphenodontinae include the
presence of
nasal foramina, a
posterodorsal process of the
coronoid of the
lower jaw, the
present of caniniform...
-
slender ribbed posterodorsal dentary process; the
surangular bone has a
forked anterior process for
articulation with the
posterodorsal dentary process;...
-
symphysis that is
oriented anterodorsally, and the
formation of a
hornlike posterodorsal process from the
squamosal and
parietal (which is much more pronounced...
-
toothed bone of the snout) also had a
posterodorsal process, a much more rare
trait compared to the
posterodorsal process of the
premaxilla (which was...
- is a crescent-shaped
structure that has a
series of
ridges directed posterodorsally to the organism’s
canal pores. The
preoperculum can be
located through...
-
contemporaneous Tarbosaurus,
Zhuchengtyrannus lacks a
subcutaneous flange on the
posterodorsal part of the
jugal ramus of the maxilla, and a
ventrally convex palatal...
-
middle portion of the rear branch. This trait,
formally known as the
posterodorsal process of the maxilla, has been
considered a
synapomorphy of gracilisuchids...
- with a
strong cerebral and
pontine flexures and a
steeply inclined posterodorsal edge when
compared to
those of
other ornithischians.
There is a small...
- built,
supported by a
broad and
robust internarial bar (comprising the
posterodorsal process of the premaxilla, nasals, and
anterior process of the frontal)...
