- The
premaxilla (or
praemaxilla) is one of a pair of
small cranial bones at the very tip of the
upper jaw of many animals, usually, but not always, bearing...
-
branches of the
praemaxillae each have a
forked rear. The side of the
praemaxilla features a deep
groove running from an
opening in the
ascending branch...
-
notch in the
snout tip as a whole. The
front lower side edge of the
praemaxilla protrudes to below. At
least seventeen cervical vertebrae are present...
-
distinguishing traits. The
nostril is
twice as long as it is high. The
praemaxilla in the
snout bears five teeth. The
maxilla is
pierced by a
large maxillary...
- part of the crest. However,
Brown mistook the
lower upper branch of the
praemaxilla for the prefrontal. The
actual prefrontal,
which is
triangular in shape...
-
Jonathan Wagner and
based on the
identification of
specimen IVPP V829, a
praemaxilla, as a
Tsintaosaurus element, came to the
conclusion that the unicorn-like...
-
coincidental or
indicate that
Megalosaurus had an
uncommonly large head. The
praemaxilla is not known,
making it
impossible to
determine whether the
snout profile...
-
ridge on the
outer blade surface above the hip joint. The
teeth of the
praemaxilla have a D-shaped cross-section. The
maxillary and
dentary teeth are elongated...
- autapomorphies,
unique derived traits, were established. The
process of the
praemaxilla,
obliquely protruding to
above and
behind in the bony nostril, does not...
-
holotype consists of a
partial skeleton with skull. It
contains both
praemaxilla (frontmost
upper jaw bones), both
maxillae (main
upper jaw bone), teeth...
