Opinions from L. Dollo 1909
- 'Altispinax dunkeri is recombined as Megalosaurus dunkeri'
- 'Anas creccoides belongs to Anas'
- 'Anser scaldii belongs to Anser' according to Van Beneden 1873
- 'Anser scaldii belongs to Anser'
- 'Argillornis longipennis belongs to Argillornis'
- 'Bryochelys waterkeyni belongs to Bryochelys'
- 'Bryochelys waterkeyni belongs to Bryochelys' according to Van Beneden 1781
- 'Chelone antiqua is recombined as Argillochelys antiqua'
- 'Chelone gigas is recombined as Eosphargis gigas'
- 'Chelone vanbenedeni belongs to Chelone' according to Smets 1886
- 'Chelone vanbenedeni belongs to Chelone'
- 'Chelonia hoffmanni is recombined as Allopleuron hoffmanni'
- 'Chelonia suyckerbuyki is recombined as Glyptochelone suyckerbuyki'
- 'Chelonia suyckerbuyki belongs to Chelonia' according to Ubaghs 1879
- 'Chelyopsis littoreus belongs to Chelyopsis' according to Van Beneden 1886
- 'Chelyopsis littoreus belongs to Chelyopsis'
- 'Craspedodon lonzeensis belongs to Craspedodon'
- 'Crocodilus depressifrons belongs to Crocodilus'
- 'Cygnus herenthalsi belongs to Cygnus' according to Van Beneden 1873
- 'Cygnus herenthalsi belongs to Cygnus'
- 'Emys camperi belongs to Emys'
- 'Eochelone brabantica belongs to Eochelone' according to L. Dollo 1903
- 'Eochelone brabantica belongs to Eochelone'
- 'Eosuchus lerichei belongs to Eosuchus'
- 'Fulica dejardinii belongs to Fulica' according to Van Beneden 1871
- 'Fulica dejardinii belongs to Fulica'
- 'Gastornis edwardsi belongs to Gastornis'
- 'Geosaurus bollensis is recombined as Steneosaurus bollensis'
- 'Glaucochelone lonzeensis belongs to Glaucochelone'
- 'Hainosaurus bernardi belongs to Hainosaurus'
- 'Hainosaurus lonzeensis belongs to Hainosaurus'
- 'Hylaeobatrachus croyii [misspelled as Hylaeobatrachus croyi] belongs to Hylaeobatrachus'
- 'Ichthyosaurus communis belongs to Ichthyosaurus'
- 'Lytoloma bruxelliensis belongs to Lytoloma'
- 'Lytoloma wemmeliensis belongs to Lytoloma'
- 'Megalosaurus bredai belongs to Megalosaurus'
- 'Megalosaurus lonzeensis belongs to Megalosaurus'
- 'Mosasaurus lemonnieri belongs to Mosasaurus' according to L. Dollo 1889
- 'Mosasaurus lemonnieri belongs to Mosasaurus'
- 'Mosasaurus lonzeensis belongs to Mosasaurus' according to L. Dollo 1904
- 'Oligochelone rupeliensis belongs to Oligochelone'
- 'Orthomerus dolloi belongs to Orthomerus'
- 'Pachyrhynchus gosseleti is recombined as Lytoloma gosseleti'
- 'Pachyrhynchus gosseleti is recombined as Erquelinnesia gosseleti' according to Dollo 1887
- 'Palaeophis typhaeus belongs to Palaeophis'
- 'Platychelone belongs to Chelonia'
- 'Platychelone emarginata belongs to Platychelone'
- 'Plesiocetus brialmonti belongs to Plesiocetus'
- 'Plesiosaurus homalospondylus belongs to Plesiosaurus'
- 'Plesiosaurus houzeaui belongs to Plesiosaurus'
- 'Plioplatecarpus houzeaui belongs to Plioplatecarpus' according to L. Dollo 1889
- 'Plioplatecarpus houzeaui belongs to Plioplatecarpus'
- 'Plioplatecarpus marshi belongs to Plioplatecarpus'
- 'Prognathodon is replaced by Prognathosaurus' according to L. Dollo 1889
- 'Prognathodon giganteus is recombined as Prognathosaurus giganteus' according to L. Dollo 1889
- 'Prognathodon solvayi belongs to Prognathodon' according to L. Dollo 1889
- 'Prognathodon solvayi is recombined as Prognathosaurus solvayi'
- 'Psephophorus rupeliensis belongs to Psephophorus'
- 'Psephophorus scaldii belongs to Psephophorus'
- 'Pseudotrionyx delheidi belongs to Pseudotrionyx'
- 'Pteraspis dunensis belongs to Pteraspis' according to Roemer 1854
- 'Rupelornis definitus belongs to Rupelornis'
- 'Simoedosaurus lemoinei belongs to Simoedosaurus' according to Gervais 1877
- 'Simoedosaurus lemoinei is recombined as Champsosaurus lemoinei'
- 'Testudo houzei belongs to Testudo'
- 'Tomochelone lonzeensis belongs to Tomochelone'
- 'Trichechodon is a misspelling of Trichecodon'
- 'Trichecodon koninckii [misspelled as Trichechodon konincki] belongs to Trichechodon'
- 'Trionyx bruxelliensis belongs to Trionyx' according to T. Winkler 1869
- 'Trionyx bruxelliensis belongs to Trionyx'
- 'Trionyx erquelinnensis belongs to Trionyx'
- 'Trionyx levalensis belongs to Trionyx'
- 'Vanellus selysi belongs to Vanellus' according to Van Beneden 1871
- 'Vanellus selysi belongs to Vanellus'