Opinions from B. Kröger and D. H. Evans 2011
- 'Annbactroceras belongs to Baltoceratidae'
- 'Annbactroceras felinense belongs to Annbactroceras'
- 'Bactroceras belongs to Baltoceratidae'
- 'Bactroceras avus belongs to Bactroceras'
- 'Baltoceratidae belongs to Orthocerida'
- 'Cochlioceras belongs to Baltoceratidae'
- 'Cyclostomiceras belongs to Cyclostomiceratidae'
- 'Cyclostomiceras belongs to Cyclostomiceratidae' according to Flower 1925
- 'Cyclostomiceras thorali belongs to Cyclostomiceras'
- 'Cyclostomiceratidae belongs to Ellesmerocerida'
- 'Dissidocerida belongs to Orthoceratoidea'
- 'Ellesmeroceratida is corrected as Ellesmerocerida and belongs to Cephalopoda'
- 'Endocerida belongs to Cephalopoda'
- 'Eothinoceratidae belongs to Ellesmerocerida'
- 'Felinoceras belongs to Rioceratidae'
- 'Felinoceras constrictum belongs to Felinoceras'
- 'Lobendoceras belongs to Proterocameroceratidae'
- 'Lobendoceras undulatum belongs to Lobendoceras'
- 'Orthoceras chinianense belongs to Orthoceras' according to Thoral 1935
- 'Orthoceras chinianense is recombined as Saloceras chinianense'
- 'Orthoceras escandei belongs to Orthoceras' according to Thoral 1935
- 'Orthoceras escandei is recombined as Rioceras escandei'
- 'Orthoceras martyi belongs to Orthoceras' according to Thoral 1935
- 'Orthoceras martyi is recombined as Annbactroceras martyi'
- 'Orthoceras mourguesi belongs to Orthoceras' according to Thoral 1935
- 'Orthoceras mourguesi is recombined as Bactroceras mourguesi'
- 'Orthoceras pradense is recombined as Saloceras pradense'
- 'Orthoceras sericeum is recombined as Saloceras sericeum'
- 'Orthocerataceae was reranked as the subclass Orthoceratoidea and belongs to Cephalopoda'
- 'Orthocerida belongs to Orthoceratoidea'
- 'Proterocameroceratidae belongs to Endocerida'
- 'Protocycloceratidae belongs to Ellesmerocerida'
- 'Rioceras belongs to Rioceratidae'
- 'Rioceratidae belongs to Ellesmerocerida'
- 'Saloceras belongs to Eothinoceratidae'
- 'Saloceras murvielense belongs to Saloceras'
- 'Thoraloceras belongs to Troedssonellidae'
- 'Thoraloceras bactritoides belongs to Thoraloceras'
- 'Troedssonellidae belongs to Dissidocerida'