- compressed, involute, with fine
longitudinal striations.
Whorl sections are
subrectangular,
sutures sinuous, the
siphuncle subcentral. Also from the Cretaceous...
- are
moderately large for
their genus (45–65 mm long),
elongate and
subrectangular,
thick and solid, with
smooth ventral margin. The
species has limited...
- a
circular cross-section. On
either side of this
structure are two
subrectangular (rectangular with
rounded edges)
plates (which
reduce in size along...
- spinopost-zygapophyseal
lamina on the axis. A m****
shorter than the forearm.
Subrectangular and sheet-like
neural spines of
middle caudal vertebrae. A m**** without...
- Morphologically, his
skull was
described as
relatively long, with a low face and
subrectangular eye-sockets. He
would have
weighed just
above 60 kg (130 lb) at a height...
- the
semilunate carpal, a
convex ventral margin of the
pubic foot, a
subrectangular distal end of the
tibia and a
sulcus along the
posterior margin of the...
-
distinctly parallel mesial and
outer sides that
gives it an
elongate subrectangular appearance in top view and it has a base of the
nasal opening on the...
- case of the
isolated one
preserved in
lateral view, the
centrum was
subrectangular in shape, with
slightly concave ventral borders. The one
preserved in...
- the
inner trunk pleurae. No eyes seem to be present. The
hypostome is
subrectangular and
extends from the
antennulae to the
mandibular gnathobases, with...
- Permoceras.
Range as for family.
Pseudaganides Nautiliconic;
whorl section subrectangular to
compressed with
flattened flanks converging toward a
flattened to...
