-
Condraoceras is a
genus of
liroceratids from the
Pennsylvanian of
North America and
Lower Permian of
Europe with a compressed, involute,
nautiliconic s****;...
- Norian) in what is now
North America, Europe, and
south Asia.
Contemporary Liroceratids include Indonautilus and Sibyllonautilus.
Bernhard Kummel, 1964. Nautiloidea-Nautilida...
- Ephippioceratidae. The
three Tri****ic families,
derived from Tri****ic
liroceratids, are the Clydonautilidae, Gonionautilidae, and Siberonautilidae, all...
-
Retrieved 2017-11-23.
Shuji Niko;
Royal H.
Mapes (2017). "Tainoceratid and
Liroceratid Nautilids from the
Upper Mississippian Imo
Formation of Arkansas, Midcontinent...
