- A
fasciole in
mollusks refers to a band or ribbon-like
structure that is
often seen as a flattened,
slightly depressed area on the s****,
formed by the...
-
slender with a
longer anterior canal and a
deeper posterior sinus. The anal
fasciole and the
spaces between the
spiral ridges are
distinctly striate spirally...
- The
suture is appressed, obscure,
behind a
strongly constricted anal
fasciole sculptured with
almost microscopic spiral striae. The
other spiral sculpture...
- The
surface of the s**** is
microscopically granose or shagreened. The
fasciole is wide,
smooth except for
faint arched incremental lines, excavated, extending...
-
larger (height 19 mm,
diameter 9 mm.), with the
suture appressed, the
fasciole close to it, and
bearing three or four
spiral grooves The
length of the...
-
suture and on the
obscure angle just in
front of the
fasciole,
elsewhere nearly obsolete. The
fasciole is very
slightly impressed. The anal
notch is very...
-
constricted anal
fasciole in
front of it.
About sixteen subequal, low,
rounded protective ribs
cross the
upper whorls from in
front of the
fasciole with subequal...
-
subsequent whorls. The apex is bulbous. The
suture is
appressed and the
fasciole is
somewhat concave. The
axial sculpture consists of (on the penultimate...
-
aperture is narrow. The anal
sulcus is wide and
round but with no
marked fasciole or
subsutural callus. The
outer lip is thick, infolded, the fine sculpture...
-
thickened and
undulated by the sculpture. The anal
sulcus is
shallow but the
fasciole constricted and
nearly smooth. The
axial sculpture consists of (on the...
