- the arrow-shaped ends. Uniquely, in the
first two back vertebrae, the
prespinal laminae that ran
alongside the
front of the
neural spines bulged outwards...
-
include the
laterally covered lacrimal antorbital fossa,
broad cervical prespinal fossae,
anteroposteriorly short anterior caudal neural spines, absence...
- the
neural spine (spino-) to the
prezygapophysis (-prezygapophyseal).
Prespinal lamina (PRSL):
lamina extending along the
front surface (pre-) of the...
-
neural spines of
vertebrae become progressively more reclined, and a
prespinal lamina is
present in all vertebrae.
Neuquensaurus has an
almost complete...
- vertebra, when seen from above, had a
sigmoid (or S-shaped) profile. The
prespinal and
postspinal fossae (bony
depressions in
front and
behind the neural...
-
cervical vertebra;
absence of
proximal pneumatopores in
dorsal ribs; the
prespinal lamina is triangular,
which is a
product of a
dorsal expansion in anterior...
-
alvarezsauroids such as Haplocheirus. As in
Mononykus and Patagonykus, both the
prespinal and
postspinal fossae are very deep. A
unique feature of Bonapartenykus...
- Mierasaurus, Camarasaurus, and titanosauriforms.
Mierasaurus does not have the
prespinal laminae (ridges on the
front of the spine)
present in the rear dorsal...
-
caudal vertebrae, with
antepostzygapophysial foramen, deep post- and
prespinal fossae, and an
axially elongated neural spine;
amphicoelous middle caudal...
-
neural spines are very thin,
thinning to a
single ridge in
front (the
prespinal lamina), but
having two
spinopostzygapophyseal laminae like the dorsals...
