-
whelk typically reach 5 to 8 inches in length. The s**** is
smooth and
subpyriform (generally pear-shaped), with a
large body
whorl and a
straight siphonal...
- The
cheilocystidia are 17–29 x 5.5–11, hyaline, fusoid-ventricose,
subpyriform or mucronate,
often with an
elongated neck at the apex
which is 2–4.5...
-
lines of
growth which conform to the
posterior sinus. The
aperture is
subpyriform. The
outer lip is thin. The
inner lip is
callused with a
noticeable groove...
-
Antennae reddish brown,
where the
scape is
shorter than funicle.
Prothorax subpyriform, broad, and
rounded laterally. The
discal areas on each side with very...
- ridges,
which are
slightly nodulous at the intersections. The
aperture is
subpyriform. The
outer lip is thin, sharp,
variced externally,
slightly sulcate within...
-
obscurely 2-4-lobed.
Capsules 11–16 x 10–13 mm, 2(-3)-valved,
subglobose to
subpyriform, apiculate, coriaceous.
Mucilage bright yellow to orange-yellow. Seeds...
-
somewhat contracted. The
suture is superficial, margined. The
aperture is
subpyriform,
angled above, with a
short and
broad siphonal canal below, slightly...
