Opinions from C. J. Maury 1930
- 'Actaeonella lucianoi belongs to Actaeonella'
- 'Actaeonella pompei belongs to Actaeonella'
- 'Actaeonella silvai belongs to Actaeonella'
- 'Actaeonella silvai belongs to Actaeonella' according to Maury 1925
- 'Actaeonella tamandarensis belongs to Actaeonella'
- 'Canadoceras andromeda belongs to Canadoceras'
- 'Canadoceras riogramamense belongs to Canadoceras'
- 'Cardium riogramamense belongs to Cardium'
- 'Coelopleurus castroi belongs to Coelopleurus'
- 'Corbula lyra belongs to Corbula'
- 'Crocodilus hartti is recombined as Goniopholis hartti'
- 'Cucullaea erda belongs to Cucullaea'
- 'Cucullaea freia belongs to Cucullaea'
- 'Cucullaea isolda belongs to Cucullaea'
- 'Cyphosoma riograndensis belongs to Cyphosoma' according to Maury 1925
- 'Cyphosoma riograndensis belongs to Cyphosoma'
- 'Cypraea parahybensis belongs to Cypraea'
- 'Enchodus oliveirai belongs to Enchodus'
- 'Eusebia belongs to Arcoida'
- 'Eusebia stantoni belongs to Eusebia'
- 'Eutrephoceras pernambucense belongs to Eutrephoceras'
- 'Galeus pristodontus is recombined as Corax pristodontus'
- 'Glyptoxoceras brasiliense belongs to Glyptoxoceras'
- 'Glyptoxoceras parahybense belongs to Glyptoxoceras'
- 'Henricia parahybensis belongs to Henricia'
- 'Inoceramus dominguesi belongs to Inoceramus'
- 'Lamna serra belongs to Lamna' according to A. S. Woodward 1889
- 'Lamna serra belongs to Lamna'
- 'Lima (Plagiostoma) fazendaestivica belongs to Lima (Plagiostoma)'
- 'Natica parahybensis belongs to Natica'
- 'Palaeobalistum dossantosi belongs to Palaeobalistum'
- 'Palmocarpon belongs to Palmae'
- 'Palmocarpon luisi belongs to Palmocarpon'
- 'Parapachydiscus albuquerquei belongs to Parapachydiscus'
- 'Parapachydiscus arionis belongs to Parapachydiscus'
- 'Parapachydiscus athena belongs to Parapachydiscus'
- 'Parapachydiscus brasiliensis belongs to Parapachydiscus'
- 'Parapachydiscus bruneti belongs to Parapachydiscus'
- 'Parapachydiscus dossantosi belongs to Parapachydiscus'
- 'Parapachydiscus endymion belongs to Parapachydiscus'
- 'Parapachydiscus eurydice belongs to Parapachydiscus'
- 'Parapachydiscus euzebioi belongs to Parapachydiscus'
- 'Parapachydiscus gettyi belongs to Parapachydiscus'
- 'Parapachydiscus hera belongs to Parapachydiscus'
- 'Parapachydiscus hermes belongs to Parapachydiscus'
- 'Parapachydiscus oceanus belongs to Parapachydiscus'
- 'Parapachydiscus orpheus belongs to Parapachydiscus'
- 'Parapachydiscus parahybensis belongs to Parapachydiscus'
- 'Parapachydiscus perseus belongs to Parapachydiscus'
- 'Parapachydiscus poseidon belongs to Parapachydiscus'
- 'Parapachydiscus psyche belongs to Parapachydiscus'
- 'Parapachydiscus reedsi belongs to Parapachydiscus'
- 'Parapachydiscus sumneri belongs to Parapachydiscus'
- 'Parapachydiscus williamsoni belongs to Parapachydiscus'
- 'Pecten gramamensis belongs to Pecten'
- 'Pholadomya parahybensis belongs to Pholadomya'
- 'Pinna reginamaris belongs to Pinna'
- 'Plicatula parahybensis belongs to Plicatula'
- 'Pseudophilites amphitrite belongs to Pseudophilites'
- 'Pseudophilites nereidideditus belongs to Pseudophilites'
- 'Pseudophyllites is corrected as Pseudophilites and belongs to Ammonoidea'
- 'Pyrina parahybensis belongs to Pyrina'
- 'Roudairia brasiliensis belongs to Roudairia'
- 'Schloenbachia bahiaensis is recombined as Elobiceras bahiaense'
- 'Sphenodiscus brasiliensis belongs to Sphenodiscus'
- 'Sphenodiscus parahybensis belongs to Sphenodiscus'
- 'Trigonarca jessupae belongs to Trigonarca'
- 'Turritella antigona belongs to Turritella'
- 'Turritella arethusa belongs to Turritella'
- 'Turritella brunnhilda belongs to Turritella'
- 'Turritella totiumsanctorum belongs to Turritella'
- 'Tylostoma materinum belongs to Tylostoma'
- 'Volutomorpha brasiliensis belongs to Volutomorpha'
- 'Xanthopsis brasiliana belongs to Xanthopsis'
- 'Xanthopsis cretacea belongs to Xanthopsis' according to Rathbun 1902
- 'Xanthopsis cretacea belongs to Xanthopsis'
- 'Zanthopsis [misspelled as Xanthopsis] belongs to Xanthidae'