-
British Columbia. The s**** of
Griesbachites is involute,
subglobose to
subdiscoidal, ribbed; with
sloping sides converging on an
arched venter. Like Juvavites...
-
suborders included in the Goniatitida,
characterized by
generally involute,
subdiscoidal s**** and by
sutures in
which the
ventral ones are undivided. Sutural...
-
Acanthoclymeniidae are
characterized by
their small slightly involute,
subdiscoidal,
widely umbilicate s**** that
reach only a few
centimeters in diameter...
-
arculus is incomplete;
forewing discoidal cell very acute;
large and
acute subdiscoidal cell in hindwing;
primary antenodal braces Ax1 and Ax2
stronger than...
- but only one of six
there included in the Treatise, 1957. S**** are
subdiscoidal to
globose with
variable umbilici and
sutures with 10 to 30 lobes, which...
- Bisatoceratidae.
Bisatoceras was
named by
Miller and Owen in 1937 and has a
subdiscoidal s**** with a very
narrow or
closed umbilicus.
Whorl height exceeds with...
-
Tornoceratids in
which the
Falcitornoceratinae are
included are involute,
subdiscoidal, with
sutures that form 6 to 10 lobes.
Falcitornoceratinae in GONIAT...
-
Tornoceras is a
strongly involute,
subdiscoidal Middle and
Upper Devonian goniatite with a
suture that
forms six to ten lobes.
Tornoceras is an extinct...
-
previously included in the Hungeritidae. The s**** of
Arctohungerites is
subdiscoidal, involute, with a
rounded venter, weak
sigmoidal folds on the body chamber...
- &
Bogoslovskaya in 1971.
Alaoceras is
characterized by its
generally subdiscoidal s**** with
moderately involute whorls and a wide or
moderately wide umbilicus...
