- 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...
-
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...
- The
sculpture has slight, microscopical, close-set
spiral striae and
prosocline growth lines. The
umbilicus is lacking,
although there is
sometimes a...
-
sculpture consists of flat
spiral cords demarcated by
incised spiral lines.
Prosocline lamallae is
absent between cords. It is
found in the
Portuguese exclusive...
-
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...
-
These are
narrower than the
interspaces in
which there are very fine,
prosocline lamellae. A
considerably thicker compound cord is seen
above the suture...
- a
thick cord,
inside with only
marked growth lines.
aperture rounded,
prosocline;
parietal callus thick,
continued into the
columella which is very thick...
- in size and
narrower than interspaces,
crossed by
minute and
numerous prosocline lamellae which override the cords. The
peristome is
flaring in
adult s****...
-
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...
