Opinions from W. J. Arkell 1952
- 'Ammonites braikenridgii is recombined as Normannites braikenridgii'
- 'Ammonites busqueti belongs to Ammonites' according to de Grossouvre 1919
- 'Ammonites busqueti is recombined as Micromphalites busqueti'
- 'Ammonites coronatus is replaced by Teloceras labrum'
- 'Ammonites tenuiplicatus is recombined as Leptosphinctes tenuiplicatus'
- 'Bouleiceras belongs to Bouleiceratinae'
- 'Bouleiceras arabicum belongs to Bouleiceras'
- 'Bouleiceras elegans belongs to Bouleiceras'
- 'Bouleiceras marraticum belongs to Bouleiceras'
- 'Bouleiceras nitescens belongs to Bouleiceras' according to Thevenin 1906
- 'Bouleiceras nitescens belongs to Bouleiceras'
- 'Bouleiceras rectum belongs to Bouleiceras'
- 'Bouleiceras tumidum belongs to Bouleiceras'
- 'Bouleiceratinae belongs to Hildoceratidae'
- 'Bramkampia belongs to Thamboceratidae'
- 'Bramkampia steinekei belongs to Bramkampia'
- 'Clydomphalites was reranked as Micromphalites (Clydomphalites) and belongs to Micromphalites'
- 'Clydoniceras belongs to Clydoniceratidae'
- 'Clydoniceras pseudodiscus belongs to Clydoniceras'
- 'Clydoniceratidae belongs to Stephanocerataceae'
- 'Coeloceras coronatoides is recombined as Ermoceras (Telermoceras) coronatoides'
- 'Dhrumaites belongs to Clydoniceratidae'
- 'Dhrumaites cardioceratoides belongs to Dhrumaites'
- 'Dorsetensia belongs to Sonniniidae'
- 'Dorsetensia arabica belongs to Dorsetensia'
- 'Dorsetensia liostraca belongs to Dorsetensia' according to Buckman 1892
- 'Ermoceras belongs to Stephanoceratidae'
- 'Ermoceras (Ermoceras) belongs to Ermoceras'
- 'Ermoceras (Kosmermoceras) aulacostephanus belongs to Ermoceras (Kosmermoceras)'
- 'Ermoceras (Kosmermoceras) magnificum belongs to Ermoceras (Kosmermoceras)'
- 'Ermoceras (Kosmermoceras) runcinatum belongs to Ermoceras (Kosmermoceras)'
- 'Ermoceras (Kosmermoceras) strigatum belongs to Ermoceras (Kosmermoceras)'
- 'Ermoceras (Telermoceras) coronatiforme belongs to Ermoceras (Telermoceras)'
- 'Ermoceras (Telermoceras) reineckeoides belongs to Ermoceras (Telermoceras)'
- 'Ermoceras (Telermoceras) splendens belongs to Ermoceras (Telermoceras)'
- 'Ermoceras elegans is recombined as Ermoceras (Kosmermoceras) elegans'
- 'Ermoceras mogharense is recombined as Ermoceras (Ermoceras) mogharense'
- 'Erymnoceras belongs to Pachyceratidae'
- 'Erymnoceras philbyi belongs to Erymnoceras'
- 'Harpoceracea was reranked as the superfamily Harpocerataceae and belongs to Ammonoidea'
- 'Harpoceras (Grammoceras) madagascariense is recombined as Protogrammoceras madagascariense'
- 'Hildaites belongs to Hildoceratinae'
- 'Hildaites sanderi belongs to Hildaites'
- 'Hildoceratidae belongs to Harpocerataceae'
- 'Hildoceratinae belongs to Hildoceratidae'
- 'Kosmermoceras was reranked as Ermoceras (Kosmermoceras) and belongs to Ermoceras'
- 'Kreterostephanus is a subjective synonym of Stephanoceras'
- 'Kreterostephanus kreter belongs to Kreterostephanus' according to Buckman 1927
- 'Kreterostephanus kreter is a subjective synonym of Stephanoceras psilacanthus'
- 'Magharina magharensis belongs to Magharina'
- 'Micromphalites belongs to Clydoniceratidae'
- 'Micromphalites (Clydomphalites) clydocromphalus belongs to Micromphalites (Clydomphalites)'
- 'Micromphalites elegans belongs to Micromphalites'
- 'Micromphalites intermedius belongs to Micromphalites'
- 'Micromphalites vertebralis belongs to Micromphalites'
- 'Nejdia belongs to Phymatoceratinae'
- 'Nejdia bramkampi belongs to Nejdia'
- 'Nejdia furnishi belongs to Nejdia'
- 'Normannites belongs to Stephanoceratidae'
- 'Normannites egyptiacus belongs to Normannites'
- 'Normannites orbignyi belongs to Normannites' according to Buckman 1927
- 'Normannites orbignyi belongs to Normannites'
- 'Oppelia redlichi belongs to Oppelia' according to Popovici-Hatzeg 1905
- 'Oppelia redlichi is recombined as Strungia redlichi'
- 'Pachyceras belongs to Pachyceratidae'
- 'Pachyceras jarryi belongs to Pachyceras' according to Douvillé 1912
- 'Pachyceras jarryi is recombined as Erymnoceras jarryi'
- 'Pachyceratidae belongs to Stephanocerataceae'
- 'Perisphinctes jubailensis belongs to Perisphinctes'
- 'Perisphinctidae belongs to Perisphinctaceae'
- 'Phymatoceratinae belongs to Hammatoceratidae'
- 'Protogrammoceras belongs to Hildoceratinae'
- 'Sonniniidae belongs to Harpocerataceae'
- 'Stephanoceras belongs to Stephanoceratidae'
- 'Stephanoceras (Perisphinctes) was reranked as Perisphinctes and belongs to Perisphinctidae'
- 'Stephanoceras arabicum belongs to Stephanoceras'
- 'Stephanoceras cosmopoliticum belongs to Stephanoceras' according to Möricke 1894
- 'Stephanoceras cosmopoliticum is an objective synonym of Stephanoceras psilacanthus'
- 'Stephanoceras psilacanthus belongs to Stephanoceras' according to Wermbter 1891
- 'Stephanoceras psilacanthus belongs to Stephanoceras'
- 'Stephanoceras triplicatum belongs to Stephanoceras' according to Till 1911
- 'Stephanoceras triplicatum is recombined as Erymnoceras triplicatum'
- 'Stephanoceratidae belongs to Stephanocerataceae'
- 'Stepheoceras schloenbachi is recombined as Pachyceras schloenbachi'
- 'Stringoceras pustuliferum is recombined as Micromphalites pustuliferus'
- 'Strungia belongs to Oppeliidae'
- 'Strungia arabica belongs to Strungia'
- 'Telermoceras was reranked as Ermoceras (Telermoceras) and belongs to Ermoceras'
- 'Teloceras belongs to Stephanoceratidae'
- 'Teloceras labrum belongs to Teloceras' according to Buckman 1922
- 'Teloceras labrum belongs to Teloceras'
- 'Thambites belongs to Thamboceratidae'
- 'Thambites avus belongs to Thambites'
- 'Thambites oxynotus belongs to Thambites'
- 'Thambites planus belongs to Thambites'
- 'Thamboceras belongs to Thamboceratidae'
- 'Thamboceras mirabile belongs to Thamboceras'
- 'Thamboceratidae belongs to Stephanocerataceae'
- 'Trimarginia sinaitica belongs to Trimarginia'
- 'Tulites belongs to Tulitidae'
- 'Tulites arabicus belongs to Tulites'
- 'Tulites erymnoides belongs to Tulites'
- 'Tulites tuwaiqensis belongs to Tulites'
- 'Tulitidae belongs to Stephanocerataceae'