-
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...
- 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...
- The jaws are
developed or absent. The
radula is rhipidoglossate. The
rhachidian teeth are
always present and well-developed. The
lateral teeth generally...
- 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...
-
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...
-
basal margin. The
operculum is very thin, corneous, with few whorls. The
rhachidian tooth (R) of the
radula has a
subquadrate body, with
rounded posterior...
-
concave at the
outer side. The
radula has the
teeth in
about 48 rows. The
rhachidian tooth (R) has a
rounded body, with
crooked hooks at the
angles of the...
- 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...
-
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...
-
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...
