- In anatomy, an apex (adjectival form: apical) is part of the s**** of a mollusk. The apex is the
pointed tip (the
oldest part) of the s**** of a gastropod...
- thick,
often broad,
convex ventral callus deposit on the
inner lip and
adapical to the
aperture which may be
important for
gravitational stability. Some...
- offset,
probably ventrally. The
aperture is
strongly oblique,
sloping adapically toward the
presumed venter.
Plagiostomoceras is
included in the Michelinoceratinae...
- on the columella.
Prosocline - with the
growth lines leaning forward (
adapically) with
respect to the
direction of the cone.
Pustule - A very fine ****-like...
- lobe. The
siphuncle is
moderate in size and
located subdorsally in the
adapical dorsal flexture of the septum.
Based on the
feeding and
hunting behaviors...
-
second whorl. In all
species septal nacks are
short retrochoanitic (point
adapically) in the
first whorl, are
transitory in the
second whorl, and
become prochoanitic...
-
colour blotches,
their spacing gradually increasing abapically,
strongest adapically and near
peripheral concavity.
Interior brilliantly nacreous.
Muscle scar...
- denticles.
Columellar lip callous, well separated, with two
plicae on
adapical part, one on
abapical part,
otherwise smooth.
Sculpture consisting of eight...
- the
total length of the s****. The
growth lines are
leaning forward (
adapically) with
respect to the
direction of the cone. Just like
Eulimella polita...
- left. It is also prosocline, i.e. with the
growth lines leaning forward (
adapically) with
respect to the
direction of the cone. The
outer lip is thin. The...
