Opinions from C. E. Schweitzer and R. M. Feldmann 2001
- 'Asthenognathinae belongs to Pinnotheridae'
- 'Asthenognathus belongs to Asthenognathinae'
- 'Asthenognathus belongs to Pinnotheridae' according to W. Stimpson 1858
- 'Asthenognathus atlanticus belongs to Asthenognathus' according to Monod 1933
- 'Asthenognathus atlanticus belongs to Asthenognathus'
- 'Asthenognathus cornishorum belongs to Asthenognathus'
- 'Asthenognathus hexagonum belongs to Asthenognathus'
- 'Asthenognathus inaequipes belongs to Asthenognathus' according to Stimpson 1858
- 'Asthenognathus inaequipes belongs to Asthenognathus'
- 'Asthenognathus urretae belongs to Asthenognathus'
- 'Brachyuri is corrected as Brachyura and belongs to Decapoda'
- 'Cancer sexpes belongs to Cancer' according to Fabricius 1798
- 'Cancer sexpes is recombined as Hexapus sexpes'
- 'Chasmocarcininae belongs to Goneplacidae'
- 'Chasmocarcinus belongs to Chasmocarcininae'
- 'Chasmocarcinus chacei belongs to Chasmocarcinus' according to Felder and Rabalais 1986
- 'Chasmocarcinus chacei belongs to Chasmocarcinus'
- 'Chasmocarcinus cylindricus belongs to Chasmocarcinus' according to Rathbun 1901
- 'Chasmocarcinus cylindricus belongs to Chasmocarcinus'
- 'Chasmocarcinus latipes belongs to Chasmocarcinus' according to Rathbun 1898
- 'Chasmocarcinus latipes belongs to Chasmocarcinus'
- 'Chasmocarcinus longipes belongs to Chasmocarcinus'
- 'Chasmocarcinus longipes belongs to Chasmocarcinus' according to Garth 1940
- 'Chasmocarcinus mississippiensis belongs to Chasmocarcinus' according to Rathbun 1931
- 'Chasmocarcinus mississippiensis belongs to Chasmocarcinus'
- 'Chasmocarcinus obliquus belongs to Chasmocarcinus' according to Rathbun 1898
- 'Chasmocarcinus obliquus belongs to Chasmocarcinus'
- 'Chasmocarcinus peresi belongs to Chasmocarcinus' according to Rodrigues de Costa 1968
- 'Chasmocarcinus peresi belongs to Chasmocarcinus'
- 'Chasmocarcinus rathbuni belongs to Chasmocarcinus' according to Bouvier 1917
- 'Chasmocarcinus rathbuni belongs to Chasmocarcinus'
- 'Chasmocarcinus robertsi belongs to Chasmocarcinus'
- 'Chasmocarcinus seymourensis belongs to Chasmocarcinus'
- 'Chasmocarcinus typicus belongs to Chasmocarcinus' according to Rathbun 1898
- 'Chasmocarcinus typicus belongs to Chasmocarcinus'
- 'Collinsius belongs to Chasmocarcininae'
- 'Collinsius simplex belongs to Collinsius'
- 'Falconoplax belongs to Chasmocarcininae'
- 'Falconoplax bicarinella belongs to Falconoplax'
- 'Falconoplax kugleri belongs to Falconoplax'
- 'Globihexapus belongs to Hexapodidae'
- 'Globihexapus paxillus belongs to Globihexapus'
- 'Goneplacidae belongs to Xanthoidea'
- 'Goniocypoda belongs to Hexapodidae'
- 'Goniocypoda collinsi belongs to Goniocypoda'
- 'Goniocypoda edwardsi belongs to Goniocypoda'
- 'Goniocypoda elmorensis belongs to Goniocypoda'
- 'Goniocypoda quaylei belongs to Goniocypoda'
- 'Goniocypoda rajasthanica belongs to Goniocypoda'
- 'Goniocypoda sindensis belongs to Goniocypoda'
- 'Goniocypoda sulcata belongs to Goniocypoda'
- 'Goniocypoda transsilvanica belongs to Goniocypoda'
- 'Heterotremata belongs to Brachyura'
- 'Hexapodidae belongs to Xanthoidea'
- 'Hexapus belongs to Hexapodidae'
- 'Hexapus estuarinus belongs to Hexapus' according to Sankarankutty 1975
- 'Hexapus estuarinus belongs to Hexapus'
- 'Hexapus nakajimai belongs to Hexapus'
- 'Hexapus pinfoldi belongs to Hexapus'
- 'Hexapus williamsi belongs to Hexapus' according to Glassell 1938
- 'Hexapus williamsi is recombined as Stevea williamsi'
- 'Lambdophallus anfractus is recombined as Hexapus anfractus'
- 'Orthakrolophos belongs to Chasmocarcininae'
- 'Palaeograpsus bartonensis is recombined as Orthakrolophos bartonensis'
- 'Palaeograpsus bittneri is recombined as Orthakrolophos bittneri'
- 'Palaeograpsus depressus is recombined as Orthakrolophos depressus'
- 'Palaeopinnixa rathbunae belongs to Palaeopinnixa'
- 'Palaeopinnixa rotundus belongs to Palaeopinnixa'
- 'Pinnixa (Palaeopinnixa) was reranked as Palaeopinnixa and belongs to Hexapodidae'
- 'Pinnixa (Palaeopinnixa) mytilicola is recombined as Palaeopinnixa mytilicola'
- 'Pinnixa (Palaeopinnixa) nodosa is recombined as Viapinnixa nodosa'
- 'Pinnixa (Palaeopinnixa) perornata is recombined as Palaeopinnixa perornata'
- 'Pinnotheridae belongs to Pinnotheroidea'
- 'Pinnotheroidea belongs to Thoracotremata'
- 'Prepaeduma decapoda is recombined as Hexapus decapoda'
- 'Stevea belongs to Hexapodidae'
- 'Stevea cesarii belongs to Stevea'
- 'Thaumastoplax belongs to Hexapodidae'
- 'Thaumastoplax anomalipes belongs to Thaumastoplax' according to Miers 1881
- 'Thaumastoplax anomalipes belongs to Thaumastoplax'
- 'Thaumastoplax eocenica is recombined as Palaeopinnixa eocenica'
- 'Thaumastoplax intermedia is recombined as Palaeopinnixa intermedia'
- 'Thaumastoplax prima is recombined as Palaeopinnixa prima'
- 'Thaumastoplax rocaensis is recombined as Palaeopinnixa rocaensis'
- 'Thoracotremata belongs to Brachyura'
- 'Tritodynamia globosa is recombined as Asthenognathus globosa'
- 'Tritodynamia globosa belongs to Tritodynamia' according to Karasawa 1990
- 'Tritodynamia globosa belongs to Tritodynamia' according to Karasawa 1999
- 'Viapinnixa belongs to Pinnotheridae'
- 'Xanthoidea belongs to Heterotremata'