-
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...
- PMID 22649542. Manda, Štěpán; Turek, Vojtěch (2009). "Minute
Silurian oncocerid nautiloids with
unusual color patterns". Acta
Palaeontologica Polonica...
-
genus of
nautiloids included in the Polyelasmoceratidae, a
family of
oncocerids living from the
Middle Silurian to the Late Devonian. The phragmocone...
-
Kentlandoceras is a
genus of
middle Ordovician Oncocerids (family Oncoceratidae). Its s**** is
curved exogastrically, such that the
ventral margin is longitudinally...
-
Streptoceras is
found in the
Middle Silurian of
North America, in Ontario.
Oncocerids (Order Oncocerida) were
Nautiloid cephalopods that
lived during the early...
-
Kindleoceras is a
genus of
oncocerids belonging to the Valcouroceratidae,
extinct nautiloid cephalopods that
lived during the
Middle and Late Ordovician...
-
Conostichoceras is a
genus of exogastric,
breviconic oncocerids included in the
family Nothoceratidae,
known from the
Middle Devonian of
central Europe...
-
Macrodomoceras is a
genus of
oncocerids,
family Polyelasmoceratidae, from the
Middle Devonian of Australia. The s**** of
Macrodomoceras is a compressed...
-
oncoceratids such as
Diagenoceras and Richardsonoceras.
Osbornoceras and
similar oncocerids were
probably benthic predators that
lived on the
seafloor oriented in...
