- snail, a
marine gastropod mollusk in the
family Drilliidae. The shining,
subpellucid,
white s****
shows four
revolving series of
brownish yellow dots between...
- its
diameter 6 mm. The thin,
elongated s**** is cylindrical. It is
subpellucid and white. The
acute spire is turrited. The s****
contains seven whorls...
- the
superfamily Seguenzioidea. The solid,
white s**** is rimate. it is
subpellucid, smooth, and shining, white. The four
whorls are convex. The
thick outer...
-
family Pyramidellidae, the
pyrams and
their allies. The ochraceous-brown,
subpellucid s**** is very
sharply pointed. It is an
attenuate species with eleven...
-
family Pyramidellidae, the
pyrams and
their allies. The thin s**** is
subpellucid,
somewhat glossy, and cinereous. The
length of the s****
measures 4 mm...
-
These are
uniformly closely spirally lirate, the
lirae threaded and
subpellucid. The
aperture is rounded. The
outer lip is thin and effuse. The columella...
-
gastropod mollusk in the
family Trochidae. The
rather solid, imperforate.
subpellucid s**** is white, with
subdistant spiral riblets, and very
minute longitudinal...
-
length of the s****
attains 8 mm. The thin,
white s**** is
vitreous and
subpellucid. It
contains eight whorls,
obtusely narrowly shouldered above, covered...
-
sutures brown spots between the ribs in one
transverse line, and also
subpellucid linear marking. The
outer lip and
columella are both much denticled....
- the s****
varies between 15 mm and 40 mm. The s**** is
somewhat thin,
subpellucid and shining. It
shows longitudinal, obtuse, unequal,
rather weak plicae...
