-
radula is heterodont, also
known as heteroglossan, in
which the
middle or
rhachidian tooth in each
array has
multiple cusps and the
lateral teeth are unicuspid...
- the
median rows, and
cross even the
uncini of the
opposite side. The
rhachidian or
median tooth has a
subquadrate basal part, with rounded,
convex posterior...
- and the
shape of the
teeth agrees with that of the
known species. The
rhachidian tooth has a
subquadrate body,
narrower in front, with
concave upper and...
-
perhaps by erosion. The
inside of the s**** has a
smooth surface. The
rhachidian tooth of the
radula is
elongate with
convex sides. It has no reflected...
- and
visceral hump.
digestive system: the
radula formula is 57–59×1.1.?;
rhachidian tooth with 3–4
denticles per side.
reproductive system: the
hollow curved...
- mantle)
filaments at the
posterior part of the foot. The
radula has
large rhachidian teeth, with the cusp
wanting or very obsolete. The fïrst
lateral teeth...
-
shape with a common, prominent,
spiral sculpture. The
radula shows a
rhachidian tooth with no
basal cusps.
Their stomach has a
caecal appendix at its...
-
radula have the
formula 120 . 2 . 8 . 1 . 8 . 2 . 120 (130 . 1 . 130). The
rhachidian tooth is tricuspid. The
eight inner laterals are
bicuspid and broad, forming...
- horseshoe-shaped and
interrupted in front. The
radula has a
large simple rhachidian tooth with, on each side, two large,
simple transverse laterals, followed...
- It is
closely applied to the s****. The long
radula has a long,
narrow rhachidian tooth. It is
lanceolate with its tip
narrowand recurved.
There are 26...
