-
Archiacoceratidae are
represented by only two or
three (Sweet, 1964). The s**** of
oncocerids are
primarily somewhat compressed cyrtoconic brevicones. More advanced...
- PMID 22649542. Manda, Štěpán; Turek, Vojtěch (2009). "Minute
Silurian oncocerid nautiloids with
unusual color patterns". Acta
Palaeontologica Polonica...
-
Clathroceras is an
extinct genus of
straight oncocerid belonging to the
family Trimeroceratidae. It
comprises several species,
including Clathroceras...
- from the
middle Devonian of the
United States Lorieroceras was a
bizarre oncocerid nautiloid from the
Devonian that
possessed a
helically coiled s**** A...
-
Mecynoceras is a
genus of Late
Devonian oncocerids included in the Poterioceratidae, a
family of
subcircular to
compressed exogastric cyrtocones without...
-
Balashovia is a
genus of
oncocerid nautiloids from the
Middle Devonian, (lower Eifelian),
included in the Archiacoceratidae, a
family characterized by...
-
genus of
nautiloids included in the Polyelasmoceratidae, a
family of
oncocerids living from the
Middle Silurian to the Late Devonian. The phragmocone...
-
Hercocyrtoceras is a
middle Silurian oncocerid found in Nova
Scotia and Quebec. S**** are depressed,
irregularly annulated cyrtocones with V-shaped hyponomic...
-
oncoceratids such as
Diagenoceras and Richardsonoceras.
Osbornoceras and
similar oncocerids were
probably benthic predators that
lived on the
seafloor oriented in...
-
Lorieroceras lorieri is an
extinct oncocerid nautilitoidean cephalopod belonging to the
family Nothoceratidae.
Fossils are
found in
Lower Devonian marine...
