- The
aperture subovate and has thin margins. The
columella is arcuate,
subnodose inside below. The
white umbilical tract is funnel-shaped. This marine...
-
angulate and
nodose at the shoulder, with a
varying number of co****
subnodose revolving carinae and of
intermediate lirulae upon the
median and lower...
-
Their superior part is
almost obsolete and they are
almost indistinctly subnodose at the sutures. The oval
aperture is small. The
outer lip is sharp, slightly...
- subimbricating, and
longitudinally costate. The ribs are thick,
rounded and
subnodose. The base of the s**** is flat, and
concentrically strongly lirate. The...
- The
aperture is rhomboidal. The lip is simple. The
short columella is
subnodose-truncate below. This
marine species is
endemic to
Australia and occurs...
-
transversely lirated. The
costae are
rather fine, 14 on the
penultimate whorl,
subnodose a
little above the middle,
where the
concavity of the
whorl commences...
- s**** is
depressed conical. It
shows 10-12 strong, close,
rounded ribs,
subnodose at the suture, and on the
angulated periphery of the body whorl. The s****...
- marginate. At a
later stage the
protoconch is
longitudinally costate and
subnodose at the periphery, and this
continues up to the
brephic stage,
where it...
- The apex is
rather obtuse. The s**** is
ornamented with
strong spiral subnodose ribs,
decussated by
elevated rib-striae
cutting the
interstices into square...
- shape. The apex
rather obtuse. The s**** is
ornamented with
strong spiral subnodose ribs,
decussated by
elevated rib-striae
cutting the
interstices into square...
