-
Syringonautilidae is a
family of
Nautiloidea from the
middle to late Tri****ic.
Syringonautilidae comprise the last of the
Trigonoceratoidea and are the...
-
along with the Centroceratidae, Grypoceratidae, Permoceratidae, and
Syringonautilidae.
Phylogenetic study and age show that the
Centroceratidae are the...
- Tri****ic with Cenoceras, a
globular to
discoidal genus derived from the
Syringonautilidae and
possibly from Syringonautilus. Cenoceras, the
earliest member...
-
origin in the
Trigonocerataceae (Centroceratina),
specifically in the
Syringonautilidae of the Late Tri****ic and
continues to this day with Nautilus, the...
- are
placed in the Liroceratina. The
Nautilina are
derived from the
Syringonautilidae, a
family in the
Centroceratina (Trigonocerataceae), in the Late Tri****ic...
- Trigonocerataceae, in turn, gave rise late in the Tri****ic
through the
Syringonautilidae to the Nautilaceae,
which include the Nautilidae, with Nautilus. (Kummel...
- the
Grypoceratidae in
Stenopoceras and Parastenopoceras, and in the
Syringonautilidae.(ibid Kummel) Kummel, B.
Nautililoidea - Nautilida;
Treatise on Invertebrate...
- Clionitidae.
Oxynautius O.
acutus A
genus of the
clydonitacean family syringonautilidae.
Gryptoceras G.
cooperi Mojsvaroceras M.
turneri A
genus of Ceratitids...
- uncertain.
Stenopoceras or
Parastenopoceras is the
likely ancestor of the
Syringonautilidae from the Tri****ic. The
taxonomy of the
Grypoceratidae in the Treatise...
