- whitish. The
darker fuscous striae are
angulated and the
postmedian line is
biangulate. The
posterior edge of the
median band is
marked with black, the subterminal...
-
fuscous striae, the
veins and
costa are
ochreous brown. The
edges of the
biangulate median band form dark
costal spots. The
forewing has a dark
ovoid discal...
- anguill-
angulus angul-
corner angular, angularity, angulose, biangular,
biangulate, equiangular, equiangularity, multangular, multiangular, nonrectangular...
-
angulated with a
sharp carina a
little above the sutures, the last one
biangulate with a
second carina. The
sculpture of the
upper surface consists of five...
-
spire is elevated. The
oblique aperture is
nearly circular. The lip is
biangulate in the middle. This
species is
decussated with
transverse and longitudinal...
-
crimson dots on the
larger ribs. The s****
contains 4½ whorls. The
spire is
biangulate. The body
whorl is
angled at the shoulder,
periphery and base. The sculpture...
- Eared, or with ear-like appendages.
Basal – The
bottom or
lower part.
Biangulate – With two angles.
Bicuspid or
bicuspidate –
Having two cusps.
Bifid –...
- impressed. The
seven whorls are convex, the last one
rounded and
obscurely biangulate at the periphery. The
rounded aperture is
broader than high, and iridescent...
-
peristome in a
straight line,
ending in an
angle obtuse at each end, a
biangulate arrangement due to the
shape of the disc.
Fossils have been
found in Eocene...
-
undulating lines. The
planulate whorls are
angulate above, the body
whorl biangulate. The
sutures are margined. The
convex base of the s**** is concentrically...
