-
Intermediate between serpenticones and
oxycones:
narrow and
moderately involute.
Discocone –
Intermediate between oxycones and spherocones:
involute and moderately...
- has been
found in Kelat, Baluchistan, in today's ****stan. Its involute,
oxycone s**** has very
small umbilicus and
umbilical wall is
smoothly rounded....
- Sinemurian.
Animals belonging to this
genus had
small s**** that had
oxycone whorl section and
sharp venter when young. In the case of
older specimens...
- Plectoceratidae.
Rousseau H. Flower, 1984. Bodeiceras; a New
Mohawkian Oxycone, with
Revision of the
Older Barrandeocerida and
Discussion of the Status...
-
ribbing is the same. Its
phylogenetic successor,
genus Polyplectus has an
oxycone s**** with
acutely angled venter,
without differentiated keel and has also...
- Centrotarphyceras.
Rousseau H. Flower, 1984. Bodeiceras; a New
Mohawkian Oxycone, with
Revision of the
Older Barrandeocerida and
Discussion of the Status...
- ribbing.
While some
members are
involute and some
Oxynoticeratidae were
oxycone, most of the
species were evolute.
Psiloceratidae -
Evolute s**** with...
- in Germany, Poland, and Israel.
Beneckeia s**** are
compressed smooth oxycones,
involute with
sharp venters.
Sutures are
multilobed with
small adventitious...
- the
Oppeliidae from the
Upper Jur****ic, s**** of
which are
typically oxycones with a
tricarinate venter and
falcoid ribbing,
commonly divided by a median...
- pp604–616, Sept 1950. Flower, R.H. 1984, Bodeiceras, a New
Mohawkian Oxycone, with
Revision of the
Older Barrandeoceratida, and
Discussion of the Status...
