- in
interspace 2 and
another in
interspace 3. Hindwing: uniform, a few
subobsolete slender, fuscous,
transverse strigae posteriorly; the
terminal margin...
- antemarginal.
Patch before the apex of the cell narrow, dark green,
subobsolete. Cell
black green.
Discal area
glossy dark green.
Distal border broad...
- body
whorl is large,
flattened above, with
incremental wrinkles and
subobsolete spiral sulci. The
large aperture is oblique, rounded,
pearly white within...
- periphery, solid, but not very thick. Its
spiral sculpture, not con****uous,
subobsolete. It is
obsoletely distantly spirally grooved.
These number about 7 on...
- a
discoidal shape. The 4½
whorls are
ornamented with
several spiral subobsolete lirae. The
umbilicus is open. The
aperture is
almost circular, reflexed...
- the
uncini bear
little tufts of
bristles at
their apices. The jaws are
subobsolete. The
Pleurotomariidae have a
continuous fossil record from the Upper...
- near the apex of wing, by a
transverse yellow mark
which is
sometimes subobsolete; a
postdiscal series of
large oval
black spots,
those in interspaces...
-
Subimperforate – Not much perforated.
Suboblong –
Moderately oblong.
Subobsolete –
Almost disappearing.
Subovate –
Nearly ovate.
Subparallel – Almost...
- the
embryonic whorls are
covered with
close retractive radial striae (
subobsolete in T. fosteri)."
Species within the
genus Xolotrema include: Xolotrema...
- with the
lirae wider than
their interstices, on the body
whorl often subobsolete. The last
whorl descends, and is
somewhat concave below the suture. The...
