Opinions from L. M. Van Valen 1978

  • 'Ancalagon belongs to Priapulida'
  • 'Anisonchus agapetillus is recombined as Oxyacodon agapetillus'
  • 'Anisonchus athelas belongs to Anisonchus'
  • 'Anisonchus cophater is recombined as Oxyacodon cophater'
  • 'Anisonchus eowynae belongs to Anisonchus'
  • 'Arctocyonides mumak belongs to Arctocyonides'
  • 'Bomburia belongs to Mioclaenidae'
  • 'Carcinodon is a subjective synonym of Oxyclaenus'
  • 'Carcinodon belongs to Arctocyonidae' according to Scott 1892
  • 'Carcinodon aquilonius is a subjective synonym of Oxyprimus albertensis'
  • 'Carsioptychus is a subjective synonym of Periptychus'
  • 'Chriacus antiquus is recombined as Baioconodon antiquus'
  • 'Chriacus calenancus belongs to Chriacus'
  • 'Chriacus katrinae belongs to Chriacus'
  • 'Chriacus metocometi belongs to Chriacus'
  • 'Chriacus oconostotae belongs to Chriacus'
  • 'Chriacus priscus is a subjective synonym of Loxolophus hyattianus'
  • 'Chriacus priscus is recombined as Protochriacus priscus' according to Matthew 1897
  • 'Chriacus priscus is recombined as Protochriacus priscus' according to Osborn and Earle 1895
  • 'Chriacus priscus belongs to Chriacus' according to Cope 1888
  • 'Chriacus pugnax is recombined as Thangorodrim pugnax'
  • 'Chriacus pugnax belongs to Chriacus' according to Simpson 1935
  • 'Chriacus pusillus is a subjective synonym of Chriacus orthogonius'
  • 'Chriacus ruetimeyerianus is a subjective synonym of Loxolophus pentacus'
  • 'Chriacus schlosserianus is a subjective synonym of Chriacus baldwini'
  • 'Chriacus simplex is recombined as Oxyclaenus simplex'
  • 'Chriacus truncatus is a subjective synonym of Chriacus baldwini'
  • 'Claenodon is a subjective synonym of Arctocyonides'
  • 'Claenodon acrogenius is recombined as Mentoclaenodon acrogenius'
  • 'Claenodon vecordensis is a subjective synonym of Colpoclaenus silberlingi'
  • 'Conoryctes crassicuspis is recombined as Goniacodon crassicuspis'
  • 'Deltatherium baldwini is recombined as Chriacus baldwini'
  • 'Deltatherium durini belongs to Deltatherium'
  • 'Desmatoclaenus dianae belongs to Desmatoclaenus'
  • 'Desmatoclaenus mearae belongs to Desmatoclaenus'
  • 'Deuterogonodon noletil belongs to Deuterogonodon'
  • 'Dissacus saurognathus is recombined as Ancalagon saurognathus'
  • 'Dissacus saurognathus belongs to Dissacus' according to Wortman 1897
  • 'Dracoclaenus is a subjective synonym of Protoselene'
  • 'Earendil belongs to '
  • 'Earendil undomiel belongs to Earendil'
  • 'Ectoconus majusculus is a subjective synonym of Ectoconus ditrigonus'
  • 'Ellipsodon aequidens is recombined as Litomylus aequidens'
  • 'Ellipsodon aquilonius is a subjective synonym of Promioclaenus acolytus'
  • 'Ellipsodon priscus is recombined as Bomburia priscus'
  • 'Ellipsodon priscus belongs to Ellipsodon' according to Cifelli 1983
  • 'Ellipsodon shepherdi is a subjective synonym of Litaletes sternbergi'
  • 'Ellipsodon sternbergi is recombined as Litaletes sternbergi'
  • 'Ellipsodon witkoi belongs to Ellipsodon'
  • 'Ellipsodon yotankae belongs to Ellipsodon'
  • 'Eoconodon copanus belongs to Eoconodon'
  • 'Eoconodon nidhoggi belongs to Eoconodon'
  • 'Epichriacus is a subjective synonym of Chriacus'
  • 'Escatepos is a subjective synonym of Oxyacodon'
  • 'Escatepos campi is a subjective synonym of Oxyacodon agapetillus'
  • 'Fimbrethil belongs to '
  • 'Fimbrethil ambaronae belongs to Fimbrethil'
  • 'Goniacodon hiawathae belongs to Goniacodon'
  • 'Haplaletes andakupensis belongs to Haplaletes'
  • 'Haploconus gillianus is recombined as Anisonchus gillianus'
  • 'Hyopsodus acolytus is recombined as Promioclaenus acolytus'
  • 'Jepsenia is a subjective synonym of Litaletes'
  • 'Jepsenia mantiensis is a subjective synonym of Litaletes sternbergi'
  • 'Leptacodon proserpinae belongs to Leptacodon'
  • 'Litaletes ondolinde belongs to Litaletes'
  • 'Litomylus alphamon belongs to Litomylus'
  • 'Litomylus osceolae belongs to Litomylus'
  • 'Litomylus scaphicus is a subjective synonym of Litomylus dissentaneus'
  • 'Litomylus scaphiscus is a subjective synonym of Litomylus dissentaneus'
  • 'Loxolophus nordicus is recombined as Ragnarok nordicum'
  • 'Maiorana belongs to Periptychidae'
  • 'Maiorana noctiluca belongs to Maiorana'
  • 'Meniscotherium priscum is a subjective synonym of Ectocion parvus'
  • 'Metachriacus is a subjective synonym of Chriacus'
  • 'Metachriacus belongs to ' according to Fox 1990
  • 'Metachriacus provocator is a subjective synonym of Chriacus baldwini'
  • 'Metachriacus punitor is a subjective synonym of Chriacus orthogonius'
  • 'Mimatuta belongs to Periptychidae'
  • 'Mimatuta makpialutae belongs to Mimatuta'
  • 'Mimatuta minuial belongs to Mimatuta'
  • 'Mimatuta morgoth belongs to Mimatuta'
  • 'Mimotricentes angustidens is a subjective synonym of Mimotricentes subtrigonus'
  • 'Mimotricentes mirielae belongs to Mimotricentes'
  • 'Mioclaenus cuspidatus is recombined as Oxyclaenus cuspidatus'
  • 'Mioclaenus ferox is recombined as Arctocyonides ferox'
  • 'Mioclaenus filholianus is a subjective synonym of Oxyclaenus simplex'
  • 'Mioclaenus lydekkerianus is a subjective synonym of Mioclaenus turgidus'
  • 'Mioclaenus lydekkerianus belongs to Mioclaenus' according to Cope 1888
  • 'Mioclaenus minimus is a subjective synonym of Promioclaenus acolytus'
  • 'Mioclaenus pentacus is recombined as Loxolophus pentacus'
  • 'Mioclaenus protogonioides is recombined as Desmatoclaenus protogonioides'
  • 'Mioclaenus sectorius is recombined as Anisonchus sectorius'
  • 'Mioclaenus turgidunculus is recombined as Promioclaenus turgidunculus'
  • 'Neoclaenodon latidens is a subjective synonym of Arctocyonides montanensis'
  • 'Neoclaenodon montanensis is recombined as Arctocyonides montanensis'
  • 'Neoclaenodon procyonoides is recombined as Colpoclaenus procyonoides'
  • 'Neoclaenodon silberlingi is recombined as Colpoclaenus silberlingi'
  • 'Niphredil belongs to Pantolestidae'
  • 'Niphredil radagasti belongs to Niphredil'
  • 'Oxyacodon josephi belongs to Oxyacodon'
  • 'Oxyacodon marshater belongs to Oxyacodon'
  • 'Oxyacodon priscilla is a subjective synonym of Oxyacodon agapetillus'
  • 'Oxyacodon tecumsae belongs to Oxyacodon'
  • 'Oxyprimus belongs to Hyopsodontidae'
  • 'Oxyprimus erikseni belongs to Oxyprimus'
  • 'Oxyprimus galadrielae belongs to Oxyprimus'
  • 'Oxyprimus putorius belongs to Oxyprimus'
  • 'Oxytomodon is a subjective synonym of Litomylus'
  • 'Oxytomodon belongs to Arctocyonidae' according to Gazin 1941
  • 'Oxytomodon perissum is recombined as Litomylus perissus'
  • 'Oxytomodon perissum belongs to Oxytomodon' according to Gazin 1941
  • 'Pantinomia is a subjective synonym of Prothryptacodon'
  • 'Pantinomia ambigua is recombined as Prothryptacodon ambiguus'
  • 'Paradoxodon is a subjective synonym of Loxolophus'
  • 'Paradoxodon belongs to ' according to Scott 1892
  • 'Paradoxodonta is a subjective synonym of Loxolophus'
  • 'Paradoxodonta belongs to ' according to Strand 1943
  • 'Paschatherium petri is recombined as Dipavali petri'
  • 'Periptychus coarctatus belongs to Periptychus'
  • 'Periptychus matthewi is a subjective synonym of Periptychus coarctatus'
  • 'Phenacodus grangeri is a subjective synonym of Phenacodus primaeous'
  • 'Plagioptychus is a subjective synonym of Periptychus'
  • 'Plagioptychus matthewi is a subjective synonym of Periptychus coarctatus'
  • 'Platymastus belongs to Mesonychidae'
  • 'Platymastus mellon belongs to Platymastus'
  • 'Platymastus palantir belongs to Platymastus'
  • 'Procerberus plutonis belongs to Procerberus'
  • 'Promioclaenus wilsoni belongs to Promioclaenus'
  • 'Prothryptacodon albertensis belongs to Prothryptacodon' according to Fox 1968
  • 'Prothryptacodon albertensis is recombined as Oxyprimus albertensis'
  • 'Protogonodon is a subjective synonym of Loxolophus'
  • 'Protogonodon biathales is a subjective synonym of Loxolophus spiekeri'
  • 'Protogonodon grangeri is a subjective synonym of Loxolophus pentacus'
  • 'Protogonodon kimbetovius is recombined as Loxolophus kimbetovius'
  • 'Protogonodon spiekeri is recombined as Loxolophus spiekeri'
  • 'Protogonodon spiekeri is recombined as Desmatoclaenus spiekeri' according to Gazin 1941
  • 'Protogonodon spiekeri belongs to Protogonodon' according to Gazin 1938
  • 'Protogonodon stenognathus is a subjective synonym of Loxolophus pentacus'
  • 'Protogonodon stenognathus belongs to Protogonodon' according to Matthew 1897
  • 'Protoselene bombadili belongs to Protoselene'
  • 'Protungulatum gorgun belongs to Protungulatum'
  • 'Protungulatum sloani belongs to Protungulatum'
  • 'Ragnarok belongs to '
  • 'Ragnarok harbichti belongs to Ragnarok'
  • 'Ragnarok wovokae belongs to Ragnarok'
  • 'Sarcothraustes is a subjective synonym of Triisodon'
  • 'Sarcothraustes antiquus is a subjective synonym of Triisodon quivirensis'
  • 'Sarcothraustes coryphaeus is recombined as Eoconodon coryphaeus'
  • 'Spanoxyodon is a subjective synonym of Chriacus'
  • 'Spanoxyodon latrunculus is a subjective synonym of Chriacus baldwini'
  • 'Thangorodrim belongs to '
  • 'Thangorodrim thalion belongs to Thangorodrim'
  • 'Thryptacodon australis belongs to Thryptacodon'
  • 'Thryptacodon belli is a subjective synonym of Thryptacodon demari'
  • 'Thryptacodon loisi is a subjective synonym of Thryptacodon antiquus'
  • 'Thryptacodon olseni is a subjective synonym of Thryptacodon antiquus'
  • 'Thryptacodon pseudarctos is a subjective synonym of Thryptacodon antiquus'
  • 'Tinuviel belongs to Periptychidae'
  • 'Tinuviel eurydice belongs to Tinuviel'
  • 'Tiznatzinia is a subjective synonym of Promioclaenus'
  • 'Tiznatzinia vanderhoofi is recombined as Promioclaenus vanderhoofi'
  • 'Tricentes is a subjective synonym of Chriacus'
  • 'Tricentes crassicollidens is a subjective synonym of Chriacus baldwini'
  • 'Tricentes latidens is a subjective synonym of Mimotricentes subtrigonus'
  • 'Triisodon is a subjective synonym of Goniacodon'
  • 'Triisodon conidens is a subjective synonym of Triisodon quivirensis'
  • 'Triisodon heilprinianus is a subjective synonym of Conoryctes comma'
  • 'Zetodon is a subjective synonym of Anisonchus'
  • 'Zetodon gracilis is a subjective synonym of Anisonchus sectorius'
  • 'Zetodon gracilis is recombined as Hemithlaeus gracilis' according to Matthew 1897
  • 'Zetodon gracilis belongs to Zetodon' according to Cope 1883