- few
spirals as in Littorina.
subspiral or
scarcely spiral, in
Thiara multispiral or polygyrous:
having many
closely spaced spirals as in
Trochus where...
-
internal s**** is nacreous. They have a brown,
entirely corneous, circular,
multispiral operculum which fits the
aperture snugly. The
operculum is
formed of...
- 129—140 [7]. Ziatdinov, R., Yoshida, N., Kim, T., 2012. ****ing G2
multispiral transition curve joining two
straight lines, Computer-Aided
Design 44(6)...
-
shoulder of the s**** is
usually nodulose and the
protoconch is
usually multispiral.
Markings often include the
presence of
tents except for
black or white...
-
distinguished from S. harmulensis, a
closely related species, by
possessing a
multispiral protoconch and
fewer axial ribs. This
species occurs in the Red Sea,...
- locations, to 200 mm off
island and
seamount sites. The
protoconch is
multispiral,
normally eroded except on very
juvenile specimens. The
teleoconch consists...
-
where the
inner lamella is
incised posteriorly. The
operculum is horny,
multispiral, circular, and flattened.
Species within the
genus Coptocheilus include:...
-
shoulder of the s**** is
usually nodulose and the
protoconch is
usually multispiral.
Markings often include the
presence of
tents except for
black or white...
-
shoulder of the s**** is
usually nodulose and the
protoconch is
usually multispiral.
Markings often include the
presence of
tents except for
black or white...
-
nucleus slightly excentric,
final three whorls evenly expanding in
multispiral pattern.
Height 6.5 mm,
width 9 mm. This
marine species occurs in the...
