- Suborder:
Anarcestina Superfamily:
Noritaceae Family:
Ophioceratidae Arthaber Genera Discophiceras Nordophiceras Ophiceras Sakhaites Vishnuites Wordieoceras...
- ceratitic.
Named genera include Ophiceras, the type, Discophiceras,
Nordophiceras, Sakhaites, Vishnuites, and Wordieoceras. The
phonetically similar Ophioceratidae...
-
Nodosohoplites Nodotibetites Noetlingites Nolaniceras Nomismoceras Nordiceras Nordophiceras Noridiscites Norites Normannites Nostoceras Nothocephalites Nothosporadoceras...
- Boreom****oceras, Pseudosageceras, Olenikites, Keyserlingites, Sibirites,
Nordophiceras, Olenekoceras, and
Subolenekites Arkell, et al.
Mesozoic Ammonoidea;...
