-
Cyrtocerinidae is a
family of
nautiloid cephalopods in the
Order Cyrtocerinida,
previously considered ellesmerocerids.
Members of the
family have slightly...
- Cyclostomiceratidae, B****leroceratidae, Eothinoceratidae, Bathmoceratidae, and
Cyrtocerinidae. The Ellesmeroceratidae, Protocycloceratidae, Cyclostomiceratidae, B****leroceratidae...
- of
Ordovician nautiloid cephalopods. The
order includes the
families Cyrtocerinidae and Eothinoceratidae, as well as the
genera Bathmoceras and Rummoceras...
-
Canadian (late
Gasconadian (?), Demingian) and to the Bathmoceratidae, and
Cyrtocerinidae in the late
Canadian (late
Jeffersonian or C****inian). The Ellesmeroceratidae...
