- to the
original description, the s**** has
orange subsutural,
while specimens with
scarlet subsutural are also recorded.
Central Vietnam, Đắk Lắk Province...
-
where that is relevant: for
example some
species have a
darker or
lighter subsutural band on the s****. When an
angulation of the
whorls occurs, the space...
- threads.[citation needed]
These threads are
somewhat narrower on the
subsutural slope and
often have
secondary threads on the
lower part of the columella...
-
which has a more
southerly range. S.
alatus s**** have less
prominent subsutural spines and
slightly more
projected outer lips. Some
scientists have treated...
- band on the s****,
formed by
successive growth lines. It can also have a
subsutural callus (such as in
Clathrodrillia callianira). Pfaffenberger, Gary (15...
- The
nodular axials are more or less
restricted to the periphery. The
subsutural fold is obsolete.
There are 21–22
strong nodules per whorl. This extinct...
-
siphonal canal. The
whorls are
nodulosely costate, with a
rather well
marked subsutural concavity. The
sinus in this
region is well-defined,
moderately broad...
- interspaces. The
aperture is narrow. The anal
sulcus is distinct,
without a
subsutural callus. The
outer lip is produced, thin and
smooth inside. The
inner lip...
- grooves.
Usually one, just
below the
subsutural band, is
stronger and more raised,
forming a
slight carina. On the
subsutural band they are faint, or indistinct...
- spire. It
presents 8 to 9 whorls, each of them
having a
single row of
subsutural spines,
becoming larger towards the last whorl.
These spines, however...
