Opinions from W. J. Kennedy 2005
- 'Acanthocerataceae is corrected as Acanthoceratoidea and belongs to Ammonitina'
- 'Acanthoceratidae belongs to Acanthoceratoidea'
- 'Adkinsia belongs to Flickiinae'
- 'Adkinsia adkinsi is a subjective synonym of Adkinsia bosquensis'
- 'Adkinsia semiplicata is a subjective synonym of Adkinsia bosquensis'
- 'Adkinsia sparsicosta is a subjective synonym of Adkinsia bosquensis'
- 'Adkinsia tuberculata is a subjective synonym of Adkinsia bosquensis'
- 'Ammonites beaumontianus belongs to Ammonites' according to d'Orbigny 1840
- 'Ammonites beaumontianus is recombined as Forbesiceras beaumontianum'
- 'Ammonites rostratus is recombined as Mortoniceras (Subschloenbachia) rostratum'
- 'Ammonitina belongs to Ammonoidea'
- 'Ancyloceratina belongs to Ammonoidea'
- 'Anisoceras belongs to Anisoceratidae'
- 'Anisoceratidae belongs to Turrilitoidea'
- 'Baculitidae belongs to Turrilitoidea'
- 'Barroisiceras hyatti is recombined as Budaiceras hyatti'
- 'Brancoceratidae belongs to Acanthoceratoidea'
- 'Buchiceras (Sphenodiscus) belviderensis serpentinus is recombined as Engonoceras serpentinum'
- 'Desmocerataceae is corrected as Desmoceratoidea and belongs to Ammonitina'
- 'Desmoceratidae belongs to Desmoceratoidea'
- 'Desmoceratinae belongs to Desmoceratidae'
- 'Mortoniceras (Durnovarites) is a subjective synonym of Mortoniceras (Subschloenbachia)'
- 'Durnovarites adkinsi belongs to Durnovarites' according to Young 1957
- 'Durnovarites adkinsi is a subjective synonym of Mortoniceras (Subschloenbachia) perinflatum'
- 'Engonoceras belongs to Engonoceratidae'
- 'Engonoceras bravoense is recombined as Metengonoceras bravoense'
- 'Engonoceras retardum belongs to Engonoceras'
- 'Engonoceratidae belongs to Hoplitoidea'
- 'Flickia bosquensis is recombined as Adkinsia bosquensis'
- 'Flickiidae belongs to Acanthoceratoidea'
- 'Flickiinae belongs to Flickiidae'
- 'Forbesiceras belongs to Forbesiceratidae'
- 'Forbesiceratinae was reranked as the family Forbesiceratidae and belongs to Acanthoceratoidea'
- 'Graysonites belongs to Mantelliceratinae'
- 'Graysonites adkinsi belongs to Graysonites'
- 'Graysonites fountaini belongs to Graysonites' according to Young 1958
- 'Graysonites fountaini is a subjective synonym of Graysonites adkinsi'
- 'Graysonites lozoi is a subjective synonym of Graysonites wacoense'
- 'Graysonites wooldridgei is a subjective synonym of Graysonites wacoense'
- 'Hamites belongs to Hamitidae'
- 'Hamites simplex belongs to Hamites'
- 'Hamitidae belongs to Turrilitoidea'
- 'Hoplitaceaea is corrected as Hoplitoidea and belongs to Ammonitina'
- 'Hoplites texanus is recombined as Stoliczkaia (Lamnayella) texana'
- 'Lyelliceratidae belongs to Acanthoceratoidea'
- 'Lytoceras (Tetragonites) was reranked as Tetragonites and belongs to Tetragonitidae'
- 'Lytoceratina belongs to Ammonoidea'
- 'Mantelliceras brazoense is a subjective synonym of Graysonites wacoense'
- 'Mantelliceras wacoense is recombined as Graysonites wacoense'
- 'Mantelliceratinae belongs to Acanthoceratidae'
- 'Mariella belongs to Turrilitidae'
- 'Mariella (Mariella) belongs to Mariella'
- 'Mariella (Plesioturrilites) rhacioformis belongs to Mariella (Plesioturrilites)' according to Clark 1965
- 'Mariella (Plesioturrilites) rhacioformis is recombined as Mariella (Wintonia) rhacioformis'
- 'Metengonoceras belongs to Engonoceratidae'
- 'Moremanoceras belongs to Desmoceratinae'
- 'Moremanoceras flexuosum belongs to Moremanoceras'
- 'Mortoniceras belongs to Mortoniceratinae'
- 'Mortoniceras (Cantabrigites) was reranked as Cantabrigites and belongs to Mortoniceratinae'
- 'Mortoniceras spinosa belongs to Mortoniceras' according to Pervinquière 1907
- 'Mortoniceras spinosa is recombined as Cantabrigites spinosum'
- 'Mortoniceras worthense belongs to Mortoniceras' according to Adkins 1920
- 'Mortoniceras worthense is a subjective synonym of Cantabrigites spinosum'
- 'Mortoniceratinae belongs to Brancoceratidae'
- 'Neophlycticeras belongs to Stoliczkaiinae'
- 'Neophlycticeras (Neophlycticeras) belongs to Neophlycticeras'
- 'Neophlycticeras (Neophlycticeras) fascicostatum belongs to Neophlycticeras (Neophlycticeras)'
- 'Ostlingoceras belongs to Turrilitidae'
- 'Ostlingoceras (Ostlingoceras) belongs to Ostlingoceras'
- 'Ostlingoceras (Ostlingoceras) conlini belongs to Ostlingoceras (Ostlingoceras)' according to Clark 1955
- 'Ostlingoceras (Ostlingoceras) conlini belongs to Ostlingoceras (Ostlingoceras)'
- 'Otoscaphitinae belongs to Scaphitidae'
- 'Pachydesmoceras belongs to Puzosiinae'
- 'Mariella (Plesioturrilites) is a subjective synonym of Mariella (Wintonia)'
- 'Plesioturrilites was reranked as Mariella (Plesioturrilites) and belongs to Mariella' according to Clark 1965
- 'Puzosiinae belongs to Desmoceratidae'
- 'Scaphitaceae is corrected as Scaphitoidea and belongs to Ancyloceratina'
- 'Scaphites belongs to Scaphitinae'
- 'Scaphites bosquensis belongs to Scaphites'
- 'Scaphites subevolutus is recombined as Yezoites subevolutus'
- 'Scaphitidae belongs to Scaphitoidea'
- 'Scaphitinae belongs to Scaphitidae'
- 'Sciponoceras belongs to Baculitidae'
- 'Sharpeiceras belongs to Mantelliceratinae'
- 'Sharpeiceras schlueteri belongs to Sharpeiceras' according to Hyatt 1903
- 'Sharpeiceras schlueteri belongs to Sharpeiceras'
- 'Stoliczkaia belongs to Stoliczkaiinae'
- 'Stoliczkaia (Lamnayella) belongs to Stoliczkaia'
- 'Stoliczkaia (Stoliczkaia) belongs to Stoliczkaia'
- 'Stoliczkaia (Stoliczkaia) conlini belongs to Stoliczkaia (Stoliczkaia)'
- 'Stoliczkaia excentrumbilicata is a subjective synonym of Stoliczkaia (Lamnayella) scotti'
- 'Stoliczkaia patagonica is a subjective synonym of Stoliczkaia (Lamnayella) scotti'
- 'Stoliczkaia scotti is recombined as Stoliczkaia (Lamnayella) scotti'
- 'Stoliczkaia uddeni is a subjective synonym of Stoliczkaia (Lamnayella) texana'
- 'Stoliczkaiinae belongs to Lyelliceratidae'
- 'Subschloenbachia was reranked as Mortoniceras (Subschloenbachia) and belongs to Mortoniceras'
- 'Subschloenbachia perinflata is recombined as Mortoniceras (Subschloenbachia) perinflatum'
- 'Tetragonitaceae is corrected as Tetragonitoidea and belongs to Lytoceratina'
- 'Tetragonites brazoensis is a nomen dubium'
- 'Tetragonitidae belongs to Tetragonitoidea'
- 'Turrilitaceae is corrected as Turrilitoidea and belongs to Ancyloceratina'
- 'Turrilites bosquensis is recombined as Mariella (Wintonia) bosquensis'
- 'Turrilites brazoensis is recombined as Mariella (Wintonia) brazoensis'
- 'Turrilites camachoensis belongs to Turrilites' according to Bose 1923
- 'Turrilites camachoensis is recombined as Mariella (Mariella) camachoensis'
- 'Turrilitidae belongs to Turrilitoidea'
- 'Wintonia was reranked as Mariella (Wintonia) and belongs to Mariella'
- 'Wintonia graysonensis is a subjective synonym of Mariella (Wintonia) bosquensis'
- 'Yezoites belongs to Otoscaphitinae'