-
Octamerella is an
extinct genus of
prehistoric nautiloids from the
oncocerid family Hemiphragmoceratidae that
lived in what is now
Europe and
North America...
- †Nikenautilus †Nipageroceras †Nothoceras †Notocycloceras †Nucites †Nybyoceras †
Octamerella †Oelandoceras †Offleyoceras †Ogygoceras †Ohioceras †Oligoceras †Oncoceras...
- have been described; Hemiphragmoceras, Conradoceras, Hexameroceras,
Octamerella, and Tetrameroceras. Sweet, W. C. 1964; Nautiloidea-Oncocerida, in the...