化石鳥類の一覧
現生鳥類

基底（Basal）と未解決の形態（unresolved forms）

これらの現生鳥類は、現生群のどれか一群に関連して配置することができない化石であると知られ、固有派生形質的にそれらを分類学上の目に割り当てることができない。特に白亜紀後期から第三紀前期の分類群は、おそらくいくつかの現生の目に分かれ、第三紀後期の分類群は、現生する科を除いて絶滅した系統が多く存在している。
†Australornis lovei Mayr & Scofield 2014 (暁新世前期から後期)
†Gallornis straeleni Lambrecht 1931 (白亜紀後期)
†Ceramornis major Brodkorb 1963 (白亜紀後期)
†"Presbyornithidae" gen. et sp. indet. (白亜紀後期)
†Teviornis gobiensis Kuročkin, Dyke & Karhu 2002 (白亜紀後期)
†Torotix clemensi Brodkorb 1963 (白亜紀後期)
Neornithes incerta sedis Kurochkin 1995 (白亜紀後期)
Neornithes incerta sedis AMNH FR 25272 (白亜紀後期)
Neornithes incerta sedis PVPH 237 (白亜紀後期)
Neornithes incerta sedis UCMP 117598 (白亜紀後期）
Neornithes incerta sedis UCMP 117599 (白亜紀後期)
†"Lonchodytes" pterygius Brodkorb 1963 (白亜紀後期 - 暁新世前期?)
†Novacaesareala hungerfordi Parris & Hope 2002 (白亜紀後期/暁新世前期)
†Palaeotringa vetus Marsh 1870
†Volgavis marina Nessov & Jarkow 1989 (暁新世前期)
†Tshulia litorea Nessov 1988 (暁新世後期)
†Eupterornis remensis Lemoine 1878 (暁新世)
†Gradiornis walbeckensis Mayr 2007 (暁新世)
†"Messelornis" russelli Mourer-Chauviré 1995 sensu Mayr 2007 (暁新世)
†Walbeckornis creber Mayr 2007 (暁新世)
Neornithes incerta sedis (暁新世後期/始新世前期)
†Argillipes Harrison & Walker 1977 (始新世前期)
†A. aurorum Harrison & Walker 1977
†A. magnus Harrison & Walker 1979
†A. paralectoris Harrison & Walker 1977
†Coturnipes cooperi Harrison & Walker 1977 (始新世前期)
†Fluviatitavis antunesi Harrison 1983 (始新世前期)
†Mopsitta tanta Waterhouse et al. 2008 (始新世前期)
†Neanis schucherti Shufeldt 1913 (始新世前期)
†Paleophasianus meleagroides Wetmore 1940 (始新世前期)
†Precursor parvus (始新世前期)
†"Precursor" litorum Harrison & Walker 1977
†"Precursor" magnus Harrison & Walker 1977
†Procuculus minutus Harrison & Walker 1977 (始新世前期)
†Pulchrapollia Dyke & Cooper 2000 (始新世前期)
†P. gracilis Dyke & Cooper 2000
†P. olsoni (Feduccia & Martin 1976) [Primobucco olsoni Feduccia & Martin 1976]
Neornithes incerta sedis USNM 496384 (始新世前期)
†Palaeopsittacus georgei Harrison 1982b ( 始新世初期 –中期)
†Amitabha urbsinterdictensis Gulas-Wroblewski & Wroblewski 2003 (始新世中期)
†Eociconia sangequanensis Hou 1989 (始新世中期)
†Protocypselomorphus manfredkelleri Mayr 2005 (始新世中期)
†Pumiliornis tessellatus Mayr 1999 (始新世中期)
†Ludiortyx hoffmanni (Gervais 1852) Brunet 1970 (始新世後期) – rallid, quercymegapodid? [Includes Tringa hoffmanni Gervais 1852; Palaeortyx blanchardi Milne-Edwards 1869; Palaeortyx  hoffmanni (Gervais 1852); Ludiortyx blanchardi (Milne-Edwards 1869); Eortyx hoffmanni (Gervais 1852)]
†Minggangia changgouensis Hou 1982 (始新世後期)
†Petropluvialis simplex  Harrison & Walker 1976 (始新世後期)
†Phasianus alfhildae Shufeldt 1915 (始新世後期)
†Telecrex grangeri Wetmore 1934 (始新世後期)
Neornithes incerta sedis AMNH FR 2941 (始新世後期)
†Zheroia kurochkini Nesov 1988 (始新世後期)
†Falco falconellus Shufeldt 1915 (or falconella; 始新世)
†Agnopterus Milne-Edwards 1868 (始新世後期– 漸新世後期) Condor71:155.
†A. laurillardi Milne-Edwards 1868
†A. sicki de Alvarenga 1990
†A. turgaiensis Tugarinov 1940 [Cygnopterus lambrechti Kuročkin 1968]
†Plesiocathartes Gaillard 1908 (始新世後期–中新世初期?) Auk105:529. Condor33:70. Condor46:272; Condor74:272.
†P. europaeus Gaillard 1908
†P. gaillardi
†P. wyomingensis Weidig 2006
†P. major Weidig 2006
†P. geiselensis Mayr 2002
†P. kelleri Mayr 2002
†Botauroides parvus Shufeldt 1915 (始新世)
†Aminornis excavatus Ameghino 1899 (漸新世前期)
†Ciconiopsis antarctica Ameghino 1899 (漸新世前期)
†Climacarthrus incompletus Ameghino 1899 (漸新世前期) – falconiform (accipitrid)? A nomen dubium
†Cruschedula revola Ameghino 1899 (漸新世前期) Aves incertae sedis; A nomen dubium
†Dolichopterus viator Milne-Edwards 1867 [Dolicopterus Aymard 1856 nomen nudum; Camaskelus Aymard 1856 nomen nudum; Camaskelus Milne-Edwards 1867; Dolicopterus viator Aymard 1856 nomen nudum; Camaskelus palustris Aymard 1856 nomen nudum; Camaskelus palustris Milne-Edwards 1867] (漸新世前期)
†Loncornis erectus Ameghino 1899 (漸新世前期)
†Loxornis clivus Ameghino 1894(漸新世前期)
†Manu antiquus Marples 1946 (漸新世前期) – pelagornithid? procellariiform (diomedeid)?
†Palaeocrex rex Wetmore 1927 (漸新世前期) – gruiform (rallid)?
†Palaeopapia eous (Harrison & Walker 1976) Harrison & Walker 1979 [Howardia Harrison & Walker 1976 non Berlese & Leonardi 1896; Howardia eous Harrison & Walker 1976] (漸新世前期)
†Paracygnopterus scotti Harrison & Walker 1979 (漸新世前期)
†"Pararallus" hassenkampi Martini 1967 (漸新世前期)
†Riacama caliginea Ameghino 1899 (漸新世前期)
†Smiliornis penetrans Ameghino 1899 (漸新世前期)
†Teracus littoralis Milne-Edwards 1871 [leracus Aymard 1856 nomen nudum; leracus littoralis Aymard 1856 nomen nudum] (漸新世前期 of France)
†Teleornis Ameghino 1899 (漸新世前期)
†Pseudolarus guaraniticus Ameghino 1899 (漸新世前期 – 中新世)
Neornithes incerta sedis BMNH PAL 4989 (漸新世前期)
†Anas creccoides van Beneden 1871 (漸新世初期 - 中期)
†"Charadrius" sheppardianus Cope 1881 (漸新世中期)
†Megagallinula harundinea Kuročkin 1968 (漸新世中期)
†"Palaeorallus" alienus Kuročkin 1968 (漸新世中期)
†"Vanellus" selysii van Beneden 1871 (漸新世中期)
†Anserpica kiliani Mourer-Chauviré, Berthet & Hugueney 2004 (漸新世後期)
†Gnotornis Wetmore 1942 (漸新世後期) BullAMNH151:1.
†G. aramiellus Wetmore 1942
†G. roardeola
†G. walkeri
†Guguschia nailiae Aslanova & Burčak-Abramovič 1968 (漸新世後期)
†Tiliornis (漸新世後期)–
Neornithes incerta sedis QM F40203 (漸新世後期)
†Gaviella pusilla Shufeldt 1915 (漸新世?)
†"Anas" skalicensis Bayer 1882 (中新世初期)
†Chenornis graculoides Portis 1884 (中新世前期)
†"Propelargus" olseni Brodkorb 1963 (中新世前期)
Neornithes incerta sedis MNHN SA 1259-1263 (中新世前期/中期)
†Anisolornis excavatus Ameghino 1891 (中新世中期)
†"Ardea" perplexa Milne-Edwards 1869 (中新世中期)
†"Cygnus herrenthalsi" van Beneden 1871 (中新世中期)
†"Anas" risgoviensis Ammon 1918 (中新世後期)
†"Ardea" aureliensis (中新世後期)
†Eoneornis (中新世)
†Eutelornis (中新世)
†Protibis  cnemialis Ameghino 1891 (中新世)
†"Limnatornis" paludicola Milne-Edwards 1871 (中新世)
†"Picus" gaudryi (中新世)
†"Ardea" lignitum (鮮新世後期)
†Bathoceleus hyphalus Brodkorb 1959 (鮮新世)
†"Homalopus" Milne-Edwards 1870 non Chevrolat 1837
†"Liptornis hesternus" Ameghino 1894 [Liptornis cuvierii] – pelecaniform (pelecanid)? A nomen dubium
†Proceriavis martini Harrison & Walker 1979
†Protopelicanus cuvieri Reichenbach 1852
†Eurofluvioviridavis robustipes Mayr 2005a (始新世中期)
†Archaeotrogonidae Wetmore 1926
†Archaeotrogonidae gen. et sp. indet. (始新世前期)
†Hassiavis laticauda Mayr 1998
†Archaeotrogon Milne-Edwards 1892 (始新世後期/漸新世前期)
†Cimolopterygidae Brodkorb 1963
†Cimolopteryx Marsh 1892 (白亜紀後期)
†C. rara Marsh 1890
†C. maxima Brodkorb 1963
†Lamarqueavis Agnolin 2010 (白亜紀後期)
†L. australis Agnolin 2010
†L. minima (Brodkorb 1963) Agnolin 2010 [Cimolopteryx minima Brodkorb 1963]
†L. petra (Hope 2002) Agnolin 2010 [Cimolopteryx petra Hope 2002]
†Cladornithidae
†Cladornis pachypus Ameghino 1895 (漸新世前期)
†Eremopezidae Rothschild 1911 monotypic, don't link
†Eremopezus eocaenus Andrews 1904 (始新世後期)
†Gracilitarsidae Mayr 2001
Eutreptodactylus itaboraiensis Baird & Vickers-Rich 1997 (暁新世後期)
Gracilitarsus mirabilis Mayr 1998 (漸新世中期)
Halcyornithidae Harrison & Walker 1972
†Halcyornis toliapicus (Koenig 1825) Owen 1846 (始新世前期)
†Cyrilavis Martin 2010 (始新世前期) *Palaeontology43:271?
†C. olsoni (Feduccia & Martin 1976) Martin 2010 [Primobucco olsoni Feduccia & Martin 1976]
†C. colburnorum Ksepka, Clarke & Grande 2011
†Juncitarsidae Peters 1987
†Kashinia magnum (Harrison & Walker 1976) Harrison & Walker 1979 [Tenuicrus Harrison & Walker 1976 non Womersley 1940; Tenuicrus magnum Harrison & Walker 1976]
†Juncitarsus Olson & Feduccia 1980
Laornithidae Cracraft 1973 monotypic, don't link
Laornis edvardsianus Marsh 1870 [Laopteryx (sic) Kuročkin 1995] (白亜紀後期?)
†Lonchodytidae Brodkorb 1963
†Lonchodytes estesi Brodkorb 1963 (白亜紀後期/暁新世前期?)
Messelasturidae Mayr 2005 JVertPaleontol25:635.
Tynskya eocaena Mayr 2000 (始新世前期)
Messelastur gratulator Peters 1994 (始新世中期)
†Palaeospizidae Emu97:43.
†Palaeospiza bella Allen 1878 (始新世後期)
†Parvicuculidae Harrison 1982
†Parvicuculus minor Harrison & Walker 1977 (始新世前期)
†Remiornithidae Martin 1992 (暁新世) Palaeontology44:325.
†Remiornis heberti Lemoine 1881 [Remiornis minor Lydekker 1891]
†Sylphornithidae Mourer-Chauviré 1988
†Sylphornis bretouensis Mourer-Chauvire 1988 (始新世中期)
†Oligosylphe mourerchauvireae Mayr & Smith 2002 (漸新世前期)
†Tytthostonychidae Olson & Parris 1987 monotypic, don't link
†Tytthostonyx glauconiticus Olson & Parris 1987 (白亜紀後期/暁新世前期)
†Zygodactylidae Brodkorb 1971 [Primoscenidae Harrison 1977 ]
†Eozygodactylus americanus Weidig 2010
†Zygodactylus Ballmann 1969 (漸新世前期) Geobios2:157.
†Z. ignotus Ballmann 1969
†Z. luberonensis Mayr 2008
†Z. grivensis Ballmann 1969
†Primoscens minutus Harrison & Walker 1977
†Primozygodactylus Mayr 1998
†P. ballmanni Mayr 1998
†P. danielsi Mayr 1998
†P. major Mayr 1998
†P. eunjooae Mayr & Zelenkov 2009
†"Graculavidae " Fürbringer 1888 [Dakotornithidae Erickson 1975; Scaniornithidae ; Telmatornithidae Cracraft 1972] AmMusNovit3387.
†Limosavis Shufeldt 1915 [Graculavus Marsh 1872 non Marsh 1973 ] (白亜紀後期 – 暁新世前期?)
†L. velox (Marsh 1872) Lambrecht 1933 [Graculavus velox Marsh 1872]
†L. augustus (Hope 1999) [Graculavus augustus Hope 1999]
†Palaeotringa Marsh 1870 (白亜紀後期/暁新世前期)
†Telmatornis priscus Marsh 1870 [Telmatornis affinis Marsh 1870; Graculavus pumilis Marsh 1872; Palaeotringa vetus Marsh 1870] (白亜紀後期?)
†Zhylgaia aestiflua Nesov 1988 (暁新世前期)
†Scaniornis lundgreni Dames 1890 (暁新世前期/中期)
†Dakotornis cooperi Erickson 1975 (暁新世)
†配置未確定
"Graculavidae" gen. et sp. indet.