Opinions from S. L. Olson 1977
- 'Aletornis marshi belongs to Aletornis'
- 'Aletornis nobilis belongs to Aletornis'
- 'Aletornis pernix belongs to Aletornis'
- 'Aletornis venustus is recombined as Fulicaletornis venustus'
- 'Aphanapteryx belongs to Rallidae'
- 'Aphanapteryx hawkinsi is recombined as Diaphorapteryx hawkinsi'
- 'Aphanocrex podarces is recombined as Atlantisia podarces'
- 'Apterornis bonasia is recombined as Aphanapteryx bonasia'
- 'Aptornis defossor belongs to Aptornis'
- 'Atlantisia belongs to Rallidae'
- 'Atlantisia elpenor belongs to Atlantisia'
- 'Capellirallus belongs to Rallidae'
- 'Capellirallus karamu belongs to Capellirallus'
- 'Coturnicops belongs to Rallidae'
- 'Coturnicops avita belongs to Coturnicops' according to Feduccia 1968
- 'Coturnicops avita belongs to Coturnicops'
- 'Creccoides belongs to Rallidae'
- 'Creccoides osbornii belongs to Creccoides'
- 'Cyanolimnas belongs to Rallidae'
- 'Cyanolimnas cerverai belongs to Cyanolimnas' according to Barbour and Peters 1927
- 'Cyanolimnas cerverai belongs to Cyanolimnas'
- 'Diaphorapteryx belongs to Rallidae'
- 'Dinornis otidiformes is recombined as Aptornis otidiformes'
- 'Eocrex belongs to Rallidae'
- 'Eocrex primus belongs to Eocrex'
- 'Epirallus natator is recombined as Rallus natator'
- 'Erythromachus leguati is recombined as Aphanapteryx leguati'
- 'Euryonotus belongs to Rallidae'
- 'Euryonotus argentinus belongs to Euryonotus'
- 'Euryonotus brachypterus belongs to Euryonotus'
- 'Fulica belongs to Rallidae'
- 'Fulica americana belongs to Fulica'
- 'Fulica chathamensis belongs to Fulica'
- 'Fulica chathamensis chathamensis belongs to Fulica chathamensis' according to Olson 1975
- 'Fulica chathamensis chathamensis belongs to Fulica chathamensis'
- 'Fulica chloropus is recombined as Gallinula chloropus'
- 'Fulica dejardinii is recombined as Miofulica dejardinii'
- 'Fulica hesterna is a subjective synonym of Fulica americana'
- 'Fulica infelix belongs to Fulica'
- 'Fulica newtonii belongs to Fulica'
- 'Fulica picapicensis belongs to Fulica' according to Fisher and Stephan 1971
- 'Fulica picapicensis is recombined as Nesotrochis picapicensis'
- 'Fulica podagrica belongs to Fulica'
- 'Fulica prior is a subjective synonym of Fulica atra'
- 'Fulica prisca is recombined as Fulica chathamensis prisca'
- 'Fulica shufeldti is recombined as Fulica americana shufeldti'
- 'Fulica stekelesi belongs to Fulica' according to Tchernov 1968
- 'Fulica stekelesi belongs to Fulica'
- 'Fulicaletornis belongs to Rallidae'
- 'Gallinula belongs to Rallidae'
- 'Gallinula brodkorbi is recombined as Gallinula chloropus brodkorbi'
- 'Gallinula kansarum belongs to Gallinula'
- 'Gallirallus belongs to Rallidae'
- 'Gypsornis belongs to Idiornithidae'
- 'Gypsornis cuvieri belongs to Gypsornis'
- 'Hovacrex belongs to Rallidae'
- 'Ibidopsis belongs to Rallidae'
- 'Ibidopsis hordwelliensis belongs to Ibidopsis'
- 'Laterallus belongs to Rallidae'
- 'Laterallus guti is a subjective synonym of Laterallus exilis'
- 'Laterallus insignis belongs to Laterallus' according to Feduccia 1968
- 'Laterallus insignis belongs to Laterallus'
- 'Ludiortyx belongs to Rallidae'
- 'Miofulica belongs to Rallidae'
- 'Miorallus belongs to Rallidae'
- 'Nesotrochis belongs to Rallidae'
- 'Nesotrochis debooyi belongs to Nesotrochis'
- 'Nesotrochis steganinos belongs to Nesotrochis' according to Olson 1974
- 'Nesotrochis steganinos belongs to Nesotrochis'
- 'Notornis mantelli mantelli belongs to Notornis mantelli' according to Medway 1967
- 'Notornis mantelli mantelli is recombined as Porphyrio mantelli mantelli'
- 'Ocydromus insignis belongs to Ocydromus' according to Forbes 1892
- 'Ocydromus insignis is recombined as Gallirallus insignis'
- 'Ocydromus minor is recombined as Gallirallus minor'
- 'Palaeoaramides belongs to Rallidae'
- 'Palaeoaramides minutus belongs to Palaeoaramides' according to Cracraft 1973
- 'Palaeoaramides minutus belongs to Palaeoaramides'
- 'Palaeorallus belongs to Rallidae'
- 'Palaeorallus brodkorbi belongs to Palaeorallus' according to Cracraft 1973
- 'Palaeorallus brodkorbi belongs to Palaeorallus'
- 'Palaeorallus troxelli belongs to Palaeorallus'
- 'Paraortygometra belongs to Rallidae'
- 'Pararallus belongs to Rallidae'
- 'Pararallus hassenkampi belongs to Pararallus' according to Martini 1967
- 'Pardirallus belongs to Rallidae'
- 'Porphyrio belongs to Rallidae'
- 'Porphyrio caerulescens belongs to Porphyrio'
- 'Porphyrio mantelli belongs to Porphyrio'
- 'Porphyrio reperta is recombined as Gallinula mortierii reperta'
- 'Porzana belongs to Rallidae'
- 'Porzana astrictocarpus belongs to Porzana'
- 'Porzana auffenbergi is recombined as Rallus limicola auffenbergi'
- 'Porzana lacustris is recombined as Pardirallus lacustris'
- 'Quercyrallus belongs to Rallidae'
- 'Quercyrallus quercy belongs to Quercyrallus' according to Cracraft 1973
- 'Quercyrallus quercy belongs to Quercyrallus'
- 'Rallicrex belongs to Rallidae'
- 'Rallicrex kolozsvarensis belongs to Rallicrex'
- 'Rallus belongs to Rallidae'
- 'Rallus arenarius is recombined as Quercyrallus arenarius'
- 'Rallus beaumontii is recombined as Palaeoaramides beaumontii'
- 'Rallus christyi is recombined as Palaeoaramides christyi'
- 'Rallus dasypus is recombined as Quercyrallus dasypus'
- 'Rallus dispar is recombined as Pararallus dispar'
- 'Rallus dubius is replaced by Rallus richmondi'
- 'Rallus hodgeni is recombined as Gallinula hodgeni'
- 'Rallus intermedius is recombined as Ludiortyx adelus'
- 'Ludiortyx adelus is replaced by Ludiortyx adelus'
- 'Rallus major is recombined as Miorallus major'
- 'Rallus phillipsi belongs to Rallus'
- 'Rallus porzanoides is recombined as Paraortygometra porzanoides'
- 'Rallus prenticei belongs to Rallus'
- 'Rallus richmondi belongs to Rallus'
- 'Rallus sumiderensis belongs to Rallus' according to Fischer and Stephan 1971
- 'Rallus sumiderensis is a subjective synonym of Cyanolimnas cerverai'
- 'Telecrex belongs to Numididae'
- 'Telecrex grangeri belongs to Telecrex'
- 'Telmatornis belongs to Charadriiformes'
- 'Telmatornis affinis belongs to Telmatornis'
- 'Telmatornis priscus belongs to Telmatornis'
- 'Telmatornis rex belongs to Telmatornis'
- 'Tertiariaporphyrula lungi belongs to Tertiariaporphyrula' according to Kurochkin and Ganya 1972
- 'Tertiariaporphyrula lungi is recombined as Palaeoaramides lungi'
- 'Tribonyx mortierii is recombined as Gallinula mortierii'
- 'Tribonyx roberti is recombined as Hovacrex roberti'
- 'Tringa hoffmanni is recombined as Ludiortyx hoffmanni'