- surface; or
simply to
sculpture as a whole.
Plait -
Folds on the columella.
Prosocline - with the
growth lines leaning forward (adapically) with
respect to the...
-
sculpture consists of flat
spiral cords demarcated by
incised spiral lines.
Prosocline lamallae is
absent between cords. It is
found in the
Portuguese exclusive...
- orange-brown in the
lower part and
brown on the spire, with distinct,
strongly prosocline lighter axial lines. The
secondary callus is orange-brown. The body whorl...
-
convexity is 0.15 to 0.24.
Sculptures of the
teleoconch are
vague with
prosocline growth lines. The
margin of the last
whorl is
evenly circular. The thickness...
- The
sculpture has slight, microscopical, close-set
spiral striae and
prosocline growth lines. The
umbilicus is lacking,
although there is
sometimes a...
-
lacks a
columella tooth or
teeth on the
outer lip. The
growth lines are
prosocline, i.e. they lean
forward (adapically) with
respect to the
direction of...
-
sculptured with
regular spiral grooves and ridges,
traversed by fine
prosocline growth lines. The apex is minute,
composed of a
single smooth rounded...
-
primary callus varies from
light to dark
orange or brown, with
strongly prosocline (i.e. with the
growth lines leaning forward (adapically) with respect...
-
incised suture;
these whorls are
sculptured axially by
slightly wavy
prosocline riblets of
about the same
width as the interspaces. On the body whorl...
-
aperture is oval with the long axis
inclined to the left. It is also
prosocline, i.e. with the
growth lines leaning forward (adapically) with respect...