-
really quite smooth except for very fine
microscopic curved retrocurrent accremental scratchings. On the base are
about a
dozen fine
spiral incisions, with...
- lirae,
about 24 on the penultimate. They are
crossed by
oblique crowded accremental striae,
producing sublenticular pitting. The
suture is linear, immediately...
- the ribs.
There are six
above the angulation, and two
below it. Fine
accremental striae can be seen
under the lens. The
suture is distinct, linear, undulating...
- the base,
about 14 in the
penultimate whorl.
There are
sublenticular accremental incisions. The
spiral incisions ai'e deep,
irregularly slightly wavy...
- twenty-three in the body whorl, and are
minutely roughened by
sublenticular accremental striae. This
marine species is
endemic to
Australia and
occurs off South...
- are equidistant, 9 in the penultimate, 17 in the body whorl. The
axial accremental striae,
distinct under the microscope,
cross the spirals, sinuous, comparatively...
-
terminal spire. Its
surface is
smooth and
polished but for
microscopic accremental lines.
There are no
spiral striae or incisions,
except microscopic, on...
- in the
penultimate whorl and 50 in the body whorl,
crossed by
crowded accremental striae. This
marine species is
endemic to
Australia and
occurs off Southern...
- the penultimate, whorl, very close-set on the base,
granulated by fine
accremental striae. The
colour in a
fresh cotype is dull-white, with faint-brown...
-
number seven in the
penultimate whorl and
twenty in the body whorl.
Faint accremental striae minutely roughen the sculpture. This
marine species is endemic...
