- at one-fourth
enclosed by two yellow-ochreous lines, the
anterior edge
subconcave, the
posterior straight, the
space between this and the base and a broad...
-
callus posteriorly at the
junction with the
outer lip. The
columella is
subconcave,
joining the body
whorl at a very open angle. The
spiral sulcations are...
- and
rapidly increase in size. The body
whorl is
usually depressed or
subconcave below the suture. The base of the s**** is rounded,
eroded and iridescent...
-
large aperture is oblique. The
inner surface of the
operculum is yellow,
subconcave, with a submarginal,
basal nucleus. Its
outer surface is very convex."...
-
columellar area. The thin,
white columella is subhorizontal, very wide,
subconcave, and
bounded by a
narrow brown streak outside.
There is
considerable variation...
- short-conic
spire has
rectilinear outlines. The
about eight whorls are
subconcave above, and
slightly convex. They
contain a
subsutural subsquamose carina...
- orange-colored. The 6
whorls are convex. The body
whorl is
somewhat flattened or
subconcave around the
upper part. The base of the s**** is convex,
eroded and white...
-
costa sinuate, apex obtuse,
termen rather obliquely rounded, waved,
subconcave on
upper half; greyish-ochreous,
irregularly sprinkled with
fuscous and...
- is wide, with
obsolete sculpture or is smooth, polished, very sloping,
subconcave. The
shoulder of the
whorl is angulated,
ornamented (on the
whorl before...
- and
spirally obsoletely striate. The body
whorl is
usually depressed or
subconcave below the suture. The base of the s**** is rounded,
eroded and iridescent...
