Opinions from P. Gervais 1859
- 'Aepisaurus [misspelled as Aepysaurus] belongs to Mosasauridae'
- 'Aepisaurus elephantinus [misspelled as Aepysaurus elephantinus] belongs to Aepysaurus'
- 'Aphelosaurus lutevensis belongs to Aphelosaurus'
- 'Atoposaurus belongs to Homeosauridae'
- 'Centropus antiquus belongs to Centropus'
- 'Cetiosaurus conybeari [misspelled as Pelorosaurus conybearei] belongs to Pelorosaurus'
- 'Crocodilus macrorhynchus is recombined as Gavialis macrorhynchus'
- 'Cynodon palustris is corrected as Cynodon palustres and belongs to Cynodon'
- 'Delphinus brevidens is recombined as Stereodelphis brevidens' according to P. Gervais 1852
- 'Delphinus brevidens belongs to Delphinus' according to J. Dubreuil and P. Gervais 1849
- 'Delphinus dationum is recombined as Delphinorhynchus dationum'
- 'Delphinus densirostris is recombined as Dioplodon densirostris'
- 'Delphinus planus belongs to Delphinus'
- 'Delphinus pliocaenus belongs to Delphinus'
- 'Dioplodon becanii belongs to Dioplodon'
- 'Dioplodon europaeus belongs to Dioplodon'
- 'Gallus bravardi belongs to Gallus'
- 'Gastornis parisiensis belongs to Gastornis'
- 'Heterosaurus neocomiensis belongs to Heterosaurus'
- 'Homoeosaurus [misspelled as Homeosaurus] belongs to Homeosauridae'
- 'Hylaeosaurus belongs to Iguanodontidae'
- 'Hylaeosaurus armatus belongs to Hylaeosaurus'
- 'Hyperoodon butskopf [misspelled as Hyperoodon butzkopf] belongs to Hyperoodon'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodon mantelli [misspelled as Iguanodon mantellii] belongs to Iguanodon'
- 'Ischnosaurus belongs to Homeosauridae'
- 'Ischnosaurus gervaisii belongs to Ischnosaurus' according to Thiollière 1856
- 'Ischnosaurus gervaisii belongs to Ischnosaurus'
- 'Lithornis emuinus belongs to Lithornis'
- 'Macacus priscus belongs to Macacus'
- 'Megalosaurus belongs to Megalosauridae'
- 'Mergus ronzoni belongs to Mergus'
- 'Mosasaurus camperi belongs to Mosasaurus' according to H. v. Meyer 1832
- 'Mosasaurus camperi belongs to Mosasaurus'
- 'Numenius gypsorum belongs to Numenius'
- 'Odontosaurus voltzii [misspelled as Odontosaurus votzii] belongs to Odontosaurus'
- 'Onchosaurus radicalis belongs to Onchosaurus'
- 'Oplosaurus belongs to Mosasauridae'
- 'Oplosaurus armatus belongs to Oplosaurus'
- 'Otaria prisca belongs to Otaria'
- 'Pelagornis miocaenus belongs to Pelagornis'
- 'Pelorosaurus belongs to Iguanodontidae'
- 'Phoenicopterus croizeti belongs to Phoenicopterus'
- 'Physeter antiquus belongs to Physeter'
- 'Physeter macrocephalus belongs to Physeter'
- 'Placosaurus rugosus belongs to Placosaurus'
- 'Poekilopleuron bucklandii [misspelled as Poekilopleuron bucklandi] belongs to Poekilopleuron'
- 'Sapheosaurus belongs to Homeosauridae'
- 'Semnopithecus monspessulanus belongs to Semnopithecus'
- 'Sitta cuvieri belongs to Sitta'
- 'Steneosaurus rostrominor belongs to Steneosaurus'
- 'Testudo lamanonii [misspelled as Testudo lamanoni] belongs to Testudo'
- 'Tringa hoffmanni belongs to Tringa'
- 'Ziphius cavirostris belongs to Ziphius'
- 'Ziphius longirostris is recombined as Dioplodon longirostris'
- 'Ziphius planirostris is recombined as Choneziphius planirostris'