-
Archiacoceratidae are
represented by only two or
three (Sweet, 1964). The s**** of
oncocerids are
primarily somewhat compressed cyrtoconic brevicones. More advanced...
- from the
middle Devonian of the
United States Lorieroceras was a
bizarre oncocerid nautiloid from the
Devonian that
possessed a
helically coiled s**** A...
- Akt****cheilus is a
genus of
oncocerid nautiloids from the
Upper Devonian (M Famenian)
included in the Acleistoceratidae, a
family characterized by depressed...
-
Lorieroceras lorieri is an
extinct oncocerid nautilitoidean cephalopod belonging to the
family Nothoceratidae.
Fossils are
found in
Lower Devonian marine...
- PMID 22649542. Manda, Štěpán; Turek, Vojtěch (2009). "Minute
Silurian oncocerid nautiloids with
unusual color patterns". Acta
Palaeontologica Polonica...
-
Kallholnoceras is a
genus of
early oncocerid nautiloids from the
Ordovician of Sweden,
known only from the Boda
Limestone at Kallholn. Kallholnoceras...
- undetermined.
Externally Pseudobrevicoceras resembles Brevicoceras, an
oncocerid in the Brevicoceratidae, in
having a curved, expanded,
breviconic phragmocone...
-
Karoceras is a
genus of
oncocerid nautiloids that
lived during the
Silurian and
possibly Early Devonian, type
genus for the Karoceratidae. The s**** is...
-
Clathroceras is an
extinct genus of
straight oncocerid belonging to the
family Trimeroceratidae. It
comprises several species,
including Clathroceras...
- by
Foerste in 1934.
Galtoceras is
genus of the
Oncocerida and of the
oncocerid family Acleistoceratidae. As with the ascleistoceratids, the curvature...
