Opinions from C. Diener 1897
- 'Ammonites demissus is recombined as Ophiceras demissum'
- 'Aspidites was reranked as Meekoceras (Aspidites) and belongs to Meekoceras'
- 'Aspidites superbus belongs to Aspidites'
- 'Celtites trapezoidalis is recombined as Danubites trapezoidalis'
- 'Ceratites belongs to Dinaritinae'
- 'Ceratites carbonarius is recombined as Xenaspis (Vishnuites) carbonarius'
- 'Ptychites lawrencianus is a nomen dubium'
- 'Ceratites mandhata belongs to Ceratites'
- 'Ceratites subrobustus belongs to Ceratites'
- 'Danubites was reranked as Ceratites (Danubites) and belongs to Ceratites'
- 'Danubites ellipticus belongs to Danubites'
- 'Danubites kapila belongs to Danubites'
- 'Danubites lissarensis belongs to Danubites'
- 'Danubites nivalis belongs to Danubites'
- 'Danubites planidorsatus belongs to Danubites'
- 'Danubites purusha belongs to Danubites'
- 'Danubites rigidus belongs to Danubites'
- 'Danubites sitala belongs to Danubites'
- 'Dinaritinae belongs to Ceratitidae'
- 'Flemingites guyerdeti belongs to Flemingites'
- 'Flemingites rohilla belongs to Flemingites'
- 'Flemingites salya belongs to Flemingites'
- 'Flemingites trilobatus belongs to Flemingites'
- 'Hedenstroemia mojsisovicsi belongs to Hedenstroemia'
- 'Hungarites (Otoceras) fissisellatum belongs to Hungarites (Otoceras)'
- 'Hungarites (Otoceras) parbati belongs to Hungarites (Otoceras)'
- 'Kingites was reranked as Meekoceras (Kingites) and belongs to Meekoceras'
- 'Koninckites was reranked as Meekoceras (Koninckites) and belongs to Meekoceras'
- 'Koninckites vidharba is recombined as Meekoceras (Koninckites) vidharba'
- 'Koninckites yudishthira belongs to Koninckites'
- 'Lecanites sisupala belongs to Lecanites'
- 'Medlicottia dalailamae belongs to Medlicottia'
- 'Meekoceras belongs to Meekoceratidae'
- 'Meekoceras (Kingites) varaha belongs to Meekoceras (Kingites)'
- 'Meekoceras boreale belongs to Meekoceras' according to Diener 1895
- 'Meekoceras boreale belongs to Meekoceras'
- 'Meekoceras fulguratum belongs to Meekoceras'
- 'Meekoceras hodgsoni belongs to Meekoceras'
- 'Nannites belongs to Nannitidae'
- 'Nannites herberti belongs to Nannites'
- 'Nannites hindostanus belongs to Nannites'
- 'Nautilinae belongs to Nautilidae'
- 'Nautilus belongs to Nautilinae'
- 'Nautilus palladii belongs to Nautilus' according to von Mojsisovics 1869
- 'Nautilus palladii belongs to Nautilus'
- 'Nautilus quadrangulus brahmanicus belongs to Nautilus quadrangulus' according to Griesbach 1880
- 'Nautilus quadrangulus brahmanicus is recombined as Nautilus brahmanicus'
- 'Ophiceras chamunda belongs to Ophiceras'
- 'Ophiceras dharma belongs to Ophiceras'
- 'Ophiceras himalayanum is recombined as Danubites himalayanus'
- 'Ophiceras medium belongs to Ophiceras'
- 'Ophiceras platyspira belongs to Ophiceras'
- 'Ophiceras ptychodes belongs to Ophiceras'
- 'Ophiceras sakuntala belongs to Ophiceras'
- 'Ophiceras serpentinum belongs to Ophiceras'
- 'Ophiceras tibeticum belongs to Ophiceras'
- 'Orthoceras belongs to Orthoceratidae'
- 'Otoceras clivei belongs to Otoceras'
- 'Otoceras draupadi belongs to Otoceras'
- 'Otoceras woodwardi belongs to Otoceras'
- 'Otoceras woodwardi undatum is recombined as Otoceras undatum'
- 'Proptychites belongs to Proptychitidae'
- 'Proptychites markhami belongs to Proptychites'
- 'Proptychites obliqueplicatus belongs to Proptychites'
- 'Proptychites scheibleri belongs to Proptychites'
- 'Prosphingites belongs to Arcestidae'
- 'Prosphingites kama belongs to Prosphingites'
- 'Prosphingites nala belongs to Prosphingites'
- 'Trachyceras gibbosum is recombined as Ophiceras gibbosum'
- 'Vishnuites was reranked as Xenaspis (Vishnuites) and belongs to Xenaspis'
- 'Vishnuites pralambha belongs to Vishnuites'