Opinions from M. J. Rathbun 1919
- 'Archaeopilumnus belongs to Xanthidae'
- 'Archaeopilumnus caelatus belongs to Archaeopilumnus'
- 'Callianassa anguillensis belongs to Callianassa'
- 'Callianassa crassimana belongs to Callianassa'
- 'Callianassa latidigita belongs to Callianassa'
- 'Callianassa miocenica belongs to Callianassa'
- 'Callianassa pellucida belongs to Callianassa'
- 'Callinectes declivis belongs to Callinectes'
- 'Cancer flammeus is recombined as Calappa flammea'
- 'Carides belongs to Natantia'
- 'Crangonidae [misspelled as Cragonidae] belongs to Crangonoidea'
- 'Crangonoidea [misspelled as Cragonoidea] belongs to Carides'
- 'Cycloes bairdii belongs to Cycloes'
- 'Lyreidus fastigatus belongs to Lyreidus'
- 'Mesorhoea belongs to Parthenopidae'
- 'Mesorhoea mauryae belongs to Mesorhoea'
- 'Natantia was reranked as a suborder and belongs to Decapoda'
- 'Parthenope belongs to Parthenopidae'
- 'Parthenope (Platylambrus) obscura belongs to Parthenope (Platylambrus)'
- 'Parthenope obscura belongs to Parthenope'
- 'Persephona belongs to Leucosiidae'
- 'Persephona prepunctata belongs to Persephona'
- 'Petrochirus inequalis belongs to Petrochirus'
- 'Pilumnus subequus belongs to Pilumnus'
- 'Platylambrus was reranked as Parthenope (Platylambrus) and belongs to Parthenope'
- 'Podophthalmus domingensis belongs to Podophthalmus'
- 'Portunus gabbi belongs to Portunus'
- 'Portunus tenuis belongs to Portunus'
- 'Ranina cuspidata belongs to Ranina'
- 'Ranina porifera belongs to Ranina'
- 'Sandomingia belongs to Ocypodidae'
- 'Sandomingia yaquiensis belongs to Sandomingia'
- 'Scylla belongs to Portunidae'
- 'Scylla costata belongs to Scylla'
- 'Zanthopsis bartholomaeensis belongs to Zanthopsis'