Opinions from D.L. Clark et al. 1981

  • 'Acanthodina belongs to Multioistodontidae'
  • 'Acanthodontidae belongs to Distacodontacea'
  • 'Acodina is a subjective synonym of Icriodus'
  • 'Adetognathus belongs to Cavusgnathidae'
  • 'Aethotaxis belongs to Anchignathodontidae'
  • 'Albiconus belongs to Furnishinidae'
  • 'Amphigeisina belongs to Amphigeisinidae'
  • 'Amphigeisinacea belongs to Paraconodontida'
  • 'Amphigeisinidae belongs to Amphigeisinacea'
  • 'Anastrophognathus belongs to Ellisoniidae'
  • 'Anchignathodontidae belongs to Polygnathacea'
  • 'Ancoradella belongs to Kockelellidae'
  • 'Ancyrodella belongs to Polygnathidae'
  • 'Ancyrodelloides belongs to Polygnathidae'
  • 'Ancyrognathus belongs to Polygnathidae'
  • 'Ancyrogondolella is a subjective synonym of Epigondolella'
  • 'Ancyrolepis belongs to Polygnathidae'
  • 'Angulodus belongs to Conodontophorida'
  • 'Antognathus belongs to Icriodontidae'
  • 'Apatella belongs to Bactrognathidae'
  • 'Bactrognathidae belongs to Conodontophorida'
  • 'Bactrognathus belongs to Bactrognathidae'
  • 'Balognathidae belongs to Prioniodontacea'
  • 'Belodellidae belongs to Panderodontacea'
  • 'Caenodontus belongs to Conodontophorida'
  • 'Capricornognathus belongs to Cavusgnathidae'
  • 'Carinella is a subjective synonym of Epigondolella'
  • 'Cavusgnathidae belongs to Polygnathacea'
  • 'Chirodella belongs to Xaniognathidae'
  • 'Chirognathacea belongs to Conodontophorida'
  • 'Chirognathidae belongs to Chirognathacea'
  • 'Chosonodina belongs to Westergaardodinidae'
  • 'Clavohamulidae belongs to Proconodontacea'
  • 'Cloghergnathus belongs to Cavusgnathidae'
  • 'Clydagnathus belongs to Cavusgnathidae'
  • 'Conodontophorida belongs to Conodonta'
  • 'Cordylodontidae belongs to Proconodontacea'
  • 'Cryptotaxidae belongs to Polygnathacea'
  • 'Cryptotaxis belongs to Cryptotaxidae'
  • 'Cypridodella belongs to Xaniognathidae'
  • 'Cyrtoniodontidae belongs to Prioniodontacea'
  • 'Declinognathodus belongs to Idiognathodontidae'
  • 'Dichodella belongs to Conodontophorida'
  • 'Diplognathodus belongs to Anchignathodontidae'
  • 'Distacodontacea belongs to Conodontophorida'
  • 'Distomodontidae belongs to Prioniodontacea'
  • 'Dollymae belongs to Bactrognathidae'
  • 'Drepanoistodontinae was reranked as the family Drepanoistodontidae and belongs to Distacodontacea'
  • 'Elictognathidae belongs to Conodontophorida'
  • 'Elictognathus belongs to Elictognathidae'
  • 'Ellisonia belongs to Ellisoniidae'
  • 'Ellisoniidae belongs to Gondolellacea'
  • 'Elsonella belongs to Conodontophorida'
  • 'Eotaphrus belongs to Bactrognathidae'
  • 'Epigondolella belongs to Xaniognathidae'
  • 'Evencodus belongs to Conodontophorida'
  • 'Falcodus belongs to Elictognathidae'
  • 'Fryxellodontacea belongs to Conodontophorida'
  • 'Fryxellodontidae belongs to Fryxellodontacea'
  • 'Furnishina belongs to Furnishinidae'
  • 'Furnishinacea belongs to Paraconodontida'
  • 'Furnishinidae belongs to Furnishinacea'
  • 'Gapparodus belongs to Furnishinidae'
  • 'Geniculatus belongs to Conodontophorida'
  • 'Gladigondolella belongs to Ellisoniidae'
  • 'Gondolellacea belongs to Conodontophorida'
  • 'Gondolellidae belongs to Gondolellacea'
  • 'Hemilistrona belongs to Polygnathidae'
  • 'Hertzina belongs to Furnishinidae'
  • 'Hibbardellacea belongs to Conodontophorida'
  • 'Hibbardellidae belongs to Hibbardellacea'
  • 'Hindeodelloides belongs to Conodontophorida'
  • 'Hindeodina belongs to Conodontophorida'
  • 'Icriodontidae belongs to Prioniodontacea'
  • 'Idiognathodontidae belongs to Polygnathacea'
  • 'Idiognathoides belongs to Idiognathodontidae'
  • 'Iranognathus belongs to Anchignathodontidae'
  • 'Isarcicella belongs to Anchignathodontidae'
  • 'Istorinus belongs to Conodontophorida'
  • 'Juanognathidae belongs to Distacodontacea'
  • 'Kimognathus belongs to Polygnathidae'
  • 'Klapperina is a subjective synonym of Palmatolepis'
  • 'Kockelellidae belongs to Polygnathacea'
  • 'Latericriodus is a subjective synonym of Icriodus'
  • 'Laterignathus belongs to Conodontophorida'
  • 'Loxodus belongs to Conodontophorida'
  • 'Mestognathidae belongs to Conodontophorida'
  • 'Mestognathus belongs to Mestognathidae'
  • 'Metapolygnathus is a subjective synonym of Neogondolella'
  • 'Metaprioniodus belongs to Conodontophorida'
  • 'Misikella is a subjective synonym of Neospathodus'
  • 'Mosherella belongs to Ellisoniidae'
  • 'Muellerodus belongs to Furnishinidae'
  • 'Multioistodontidae belongs to Chirognathacea'
  • 'Neognathodus belongs to Idiognathodontidae'
  • 'Neogondolella belongs to Xaniognathidae'
  • 'Neohindeodella is a subjective synonym of Ellisonia'
  • 'Neospathodus belongs to Xaniognathidae'
  • 'Neostreptognathodus belongs to Anchignathodontidae'
  • 'Nericodus belongs to Clavohamulidae'
  • 'Nodognathus belongs to Polygnathidae'
  • 'Nogamiconus belongs to Furnishinidae'
  • 'Oepikodontidae belongs to Prioniodontacea'
  • 'Oistodontidae belongs to Distacodontacea'
  • 'Oligodus belongs to Conodontophorida'
  • 'Oneotodontidae belongs to Proconodontacea'
  • 'Pachycladina belongs to Ellisoniidae'
  • 'Panderodontacea belongs to Conodontophorida'
  • 'Panderodontidae belongs to Panderodontacea'
  • 'Parachirognathus belongs to Ellisoniidae'
  • 'Paraconodontida belongs to Conodonta'
  • 'Paracordylodontidae belongs to Prioniodontacea'
  • 'Paragondolella is a subjective synonym of Neogondolella'
  • 'Parvigondolella is a subjective synonym of Epigondolella'
  • 'Patrognathus belongs to Cryptotaxidae'
  • 'Pavlovites belongs to Conodontophorida'
  • 'Pedavis belongs to Icriodontidae'
  • 'Periodontidae belongs to Prioniodontacea'
  • 'Phragmodontidae belongs to Prioniodontacea'
  • 'Pinacognathus belongs to Elictognathidae'
  • 'Platyvillosus belongs to Xaniognathidae'
  • 'Playfordia belongs to Conodontophorida'
  • 'Polygnathacea belongs to Conodontophorida'
  • 'Polygnathellus belongs to Conodontophorida'
  • 'Polygnathidae belongs to Polygnathacea'
  • 'Polygnathoides belongs to Pterospathodontidae'
  • 'Polylophodonta belongs to Polygnathidae'
  • 'Polyplacognathidae belongs to Prioniodontacea'
  • 'Pravognathus belongs to Conodontophorida'
  • 'Prioniodella is a subjective synonym of Prioniodina'
  • 'Prioniodidae is corrected as Prioniodontidae and belongs to Prioniodontacea'
  • 'Prioniodontacea belongs to Conodontophorida'
  • 'Proacodus belongs to Furnishinidae'
  • 'Problematoconites belongs to Furnishinidae'
  • 'Proconodontacea belongs to Conodontophorida'
  • 'Proconodontidae belongs to Distacodontacea'
  • 'Prooneotodus belongs to Furnishinidae'
  • 'Prosagittodontus belongs to Furnishinidae'
  • 'Proscandodus belongs to Furnishinidae'
  • 'Protohertzina belongs to Furnishinidae'
  • 'Protopanderodontidae belongs to Distacodontacea'
  • 'Pseudofurnishius belongs to Ellisoniidae'
  • 'Pseudooneotodus belongs to Conodontophorida'
  • 'Pseudopolygnathus belongs to Polygnathidae'
  • 'Pterospathodontidae belongs to Prioniodontacea'
  • 'Ptilognathus belongs to Conodontophorida'
  • 'Pygodontidae belongs to Prioniodontacea'
  • 'Rabeignathus belongs to Anchignathodontidae'
  • 'Rhachistognathus belongs to Polygnathidae'
  • 'Rhipidognathidae belongs to Prioniodontacea'
  • 'Rhynchognathodus is a subjective synonym of Icriodella'
  • 'Roundya belongs to Conodontophorida'
  • 'Sagittodontus belongs to Furnishinidae'
  • 'Sannemannia belongs to Icriodontidae'
  • 'Scandodus belongs to Drepanoistodontidae'
  • 'Scaphignathus belongs to Polygnathidae'
  • 'Schmidtognathus belongs to Polygnathidae'
  • 'Scolopodontidae belongs to Panderodontacea'
  • 'Siphonodella belongs to Polygnathidae'
  • 'Solenodella is a subjective synonym of Elictognathus'
  • 'Spathognathodus is a subjective synonym of Ozarkodina'
  • 'Spathognathodus culminidirectus belongs to Spathognathodus' according to Scott 1961
  • 'Spathognathodus culminidirectus is recombined as Cryptotaxis culminidirectus'
  • 'Strachanognathidae belongs to Distacodontacea'
  • 'Subbryantodus belongs to Conodontophorida'
  • 'Sweetocristatus belongs to Xaniognathidae'
  • 'Tardogondolella is a subjective synonym of Epigondolella'
  • 'Teridontidae belongs to Distacodontacea'
  • 'Trichonodella is a subjective synonym of Plectodina'
  • 'Ulrichodinidae belongs to Distacodontacea'
  • 'Westergaardodina belongs to Westergaardodinidae'
  • 'Westergaardodinidae belongs to Furnishinacea'
  • 'Xaniognathidae belongs to Gondolellacea'
  • 'Xaniognathus belongs to Xaniognathidae'
  • 'Zygognathus is a subjective synonym of Plectodina'