Opinions from E. D. Cope 1877
- 'Anogmius aratus belongs to Anogmius'
- 'Aublysodon belongs to Goniopoda'
- 'Aublysodon lateralis belongs to Aublysodon'
- 'Cinodon arctatus is recombined as Cionodon arctatus'
- 'Clidastes cineriarum belongs to Clidastes'
- 'Deinodon horridus is recombined as Aublysodon horridus'
- 'Diclonius belongs to Orthopoda'
- 'Diclonius calamarius belongs to Diclonius'
- 'Diclonius pentagonus belongs to Diclonius'
- 'Diclonius perangulatus belongs to Diclonius'
- 'Dysganus belongs to Orthopoda'
- 'Dysganus bicarinatus belongs to Dysganus'
- 'Dysganus encaustus belongs to Dysganus'
- 'Dysganus haydenianus belongs to Dysganus'
- 'Dysganus peiganus belongs to Dysganus'
- 'Edestosaurus dispar is recombined as Clidastes dispar'
- 'Edestosaurus tortor is recombined as Clidastes tortor'
- 'Elasmosaurus serpentinus belongs to Elasmosaurus'
- 'Goniopoda belongs to Dinosauria'
- 'Holcodus coryphaeus is recombined as Platecarpus coryphaeus'
- 'Laelaps belongs to Goniopoda'
- 'Laelaps cristatus belongs to Laelaps'
- 'Laelaps explanatus belongs to Laelaps'
- 'Laelaps falculus belongs to Laelaps'
- 'Laelaps hazenianus belongs to Laelaps'
- 'Laelaps incrassatus belongs to Laelaps'
- 'Laelaps laevifrons belongs to Laelaps'
- 'Liodon ictericus is recombined as Platecarpus ictericus'
- 'Monoclonius belongs to Orthopoda'
- 'Monoclonius crassus belongs to Monoclonius'
- 'Orthopoda belongs to Dinosauria'
- 'Palaeoscincus belongs to Orthopoda'
- 'Palaeoscincus costatus belongs to Palaeoscincus'
- 'Paronychodon belongs to Goniopoda'
- 'Paronychodon lacustris belongs to Paronychodon'
- 'Pelecorapis berycinus belongs to Pelecorapis'
- 'Trachodon belongs to Orthopoda'
- 'Trachodon mirabilis belongs to Trachodon'
- 'Troodon belongs to Goniopoda'
- 'Troodon formosus belongs to Troodon'
- 'Zapsalis belongs to Goniopoda'
- 'Zapsalis abradens belongs to Zapsalis'