Between brackets is the number of accepted species
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Subphylum Cephalochordata
- Subphylum Tunicata accepted as Urochordata
- Subphylum Urochordata
- Subphylum Vertebrata
- Superclass Tetrapoda
- Class Amphibia
- Class Aves
- Order Accipitriformes
- Order Aepyornithiformes †
- Order Alexornithiformes †
- Order Ambiortiformes †
- Order Anseriformes
- Order Apodiformes
- Order Apterygiformes
- Order Archaeopterygiformes †
- Order Ardeiformes
- Order Aves (awaiting allocation)
- Order Aves incertae sedis †
- Order Bucerotiformes
- Order Caprimulgiformes
- Order Cariamiformes
- Order Carinatae (awaiting allocation)
- Order Casuariiformes
- Order Cathartiformes
- Order Cathayornithiformes †
- Order Chaoyangiformes †
- Order Charadriiformes
- Order Charadriimorphae incertae sedis
- Order Ciconiiformes
- Order Coliiformes
- Order Columbiformes
- Order Columbiiformes accepted as Columbiformes
- Order Colymbiformes accepted as Podicipediformes
- Order Confuciusornithiformes †
- Order Coraciiformes
- Order Cuculiformes
- Order Cypselomorphae incertae sedis
- Order Diatrymiformes †
- Order Dinornithiformes †
- Order Enantiornithes incertae sedis †
- Order Enantiornithiformes †
- Order Eoenantiornithiformes †
- Order Euenantiornithes incertae sedis †
- Order Falconiformes
- Order Galliformes
- Order Gansuiformes †
- Order Gastornithiformes †
- Order Gaviiformes
- Order Gobipterygiformes †
- Order Gruiformes
- Order Hesperornithiformes †
- Order Iberomesornithiformes †
- Order Ichthyornithiformes †
- Order Jeholornithiformes †
- Order Liaoningornithiformes †
- Order Limnornithiformes †
- Order Lithornithiformes †
- Order Longipterygiformes †
- Order Mystiornithiformes †
- Order Neognathae incertae sedis
- Order Omnivoropterygiformes †
- Order Opisthocomiformes
- Order Ornithothoraces incertae sedis
- Order Ornithuromorpha incertae sedis †
- Order Palaeocursornithiformes †
- Order Palaeognathae (awaiting allocation)
- Order Pangalliformes incertae sedis
- Order Panpsittaciformes incertae sedis
- Order Passeriformes
- Family Acanthisittidae Sundevall, 1872
- Family Acanthizidae Bonaparte, 1854
- Family Aegithalidae
- Family Alaudidae Vigors, 1825
- Family Alcippeidae Cai et al., 2019
- Family Artamidae
- Family Atrichornithidae Stejneger, 1855
- Family Bombycillidae Swainson, 1831
- Family Callaeatidae Gray, 1841
- Family Callaeidae
- Family Campephagidae
- Family Cardinalidae
- Family Catamblyrhynchidae
- Family Certhiidae
- Family Certhioidea incertae sedis
- Family Chaetopidae Fjeldså, Ericson, Johansson & Zuccon, 2015
- Family Cinclidae Cabanis, 1847
- Family Cisticolidae
- Family Climacteridae
- Family Coerebidae Gray, 1840
- Family Colluricinclidae
- Family Compsothlypidae
- Family Conopophagidae
- Family Corcoracidae
- Family Corvidae Vigors, 1825
- Family Cotingidae
- Family Cracticidae
- Family Dendrocolaptidae
- Family Dicaeidae
- Family Dicruridae Vigors, 1825
- Family Drepanididae accepted as Fringillidae Vigors, 1825
- Family Dulidae ScIater, 1862
- Family Emberizidae Vigors, 1831
- Family Ephthianuridae
- Family Estrildidae
- Family Eupetidae
- Family Eurylaimidae Swainson, 1837
- Family Formicariidae
- Family Fringillidae Vigors, 1825
- Genus Abia Agassiz, 1846 accepted as Habia Blyth in Cuvier, 1840
- Genus Acanthidops Ridgway, 1882
- Genus Acanthilis Dumont, 1816 accepted as Carduelis Brisson, 1760
- Genus Acanthis Borkhausen, 1797 accepted as Carduelis Brisson, 1760
- Genus Acanthus Dumont, 1816 accepted as Carduelis Brisson, 1760
- Genus Acanthys Des Murs, 1860 accepted as Carduelis Brisson, 1760
- Genus Aemophila Swainson, 1837 accepted as Aimophila Swainson, 1837
- Genus Agelaeus Agassiz, 1846 accepted as Agelaius Vieillot, 1816
- Genus Agelaius Vieillot, 1816
- Genus Agilaius Swainson, 1838 accepted as Agelaius Vieillot, 1816
- Genus Agrophospiza Zuccon, Prys-Jones, Rasmussen & Ericson, 2012
- Genus Aidemedia James & Olson, 1991
- Genus Aimophila Swainson, 1837
- Genus Akialoa Pratt in Scott et al., 2001
- Genus Amaurospiza Cabanis, 1861
- Genus Amblicercus Bonaparte, 1853 accepted as Amblycercus Cabanis in Cabanis & Heine, 1851
- Genus Ambliramphus Lesson, 1830 accepted as Amblyramphus Leach, 1814
- Genus Amblycercus Cabanis in Cabanis & Heine, 1851
- Genus Amblycerus accepted as Amblycercus Cabanis in Cabanis & Heine, 1851
- Genus Amblyramphus Leach, 1814
- Genus Amblyrhamphus Strickland, 1841 accepted as Amblyramphus Leach, 1814
- Genus Amblyrhynchus Gray, 1840 accepted as Amblyramphus Leach, 1814
- Genus Ammadromus Thienemann, 1852 accepted as Ammodramus Swainson, 1827
- Genus Ammodramus Swainson, 1827
- Genus Ammodromus Strickland, 1841 accepted as Ammodramus Swainson, 1827
- Genus Ammospiza Oberholser, 1905
- Genus Amphispiza Coues, 1875
- Genus Anicognathus Giebel, 1872 accepted as Anisognathus Reichenbach, 1850
- Genus Anisognathus Reichenbach, 1850
- Genus Anisognatus accepted as Anisognathus Reichenbach, 1850
- Genus Arbelorhina Cabanis, 1847 accepted as Coereba Vieillot, 1807
- Genus Arbelorrhina Reichenbach, 1853 accepted as Coereba Vieillot, 1807
- Genus Arremenops Nelson, 1904 accepted as Arremonops Ridgway, 1896
- Genus Arremon Vieillot, 1816
- Genus Arremonops Ridgway, 1896
- Genus Arrhemon Agassiz, 1846 accepted as Arremon Vieillot, 1816
- Genus Astragalinus Cabanis in Cabanis & Heine, 1851
- Genus Atlantopetes Agassiz, 1846 accepted as Atlapetes Wagler, 1831
- Genus Atlapetes Wagler, 1831
- Genus Bangsia Penard, 1919
- Genus Basileuterus Cabanis in Schom-burgk Guiana, 1849
- Genus Basileuterus Cabanis, 1847 accepted as Basileuterus Cabanis in Schom-burgk Guiana, 1849
- Genus Buarremon Bonaparte, 1850
- Genus Bucanetes Cabanis in Cabanis & Heine, 1851
- Genus Buchanetes Bonaparte, 1854
- Genus Buthraupis Cabanis, 1851
- Genus Cacicus Lacepède, 1799
- Genus Cactospiza Ridgway, 1897 accepted as Camarhynchus Gould, 1837
- Genus Caereba Vieillot, 1818 accepted as Coereba Vieillot, 1807
- Genus Calamblyrhynchus Reichenbach, 1850 accepted as Catamblyrhynchus Lafresnaye, 1842
- Genus Calamospiza Bonaparte, 1838
- Genus Callacanthis Reichenbach, 1850
- Genus Callithraupis Berlepsch, 1879 accepted as Neothraupis Berlepsch, 1879
- Genus Calochaetes Sclater, 1879
- Genus Calyptophilus Cory, 1884
- Genus Camarhynchus Gould, 1837
- Genus Camarorhynchus Sundevall, 1872 accepted as Camarhynchus Gould, 1837
- Genus Camarynchus Blyth in Cuvier, 1840 accepted as Camarhynchus Gould, 1837
- Genus Cardellina Du Bus, 1849
- Genus Cardinalis Bonaparte, 1838
- Genus Carduelis Brisson, 1760
- Genus Cardulis Maynard, 1896 accepted as Carduelis Brisson, 1760
- Genus Carpodacus Kaup, 1829
- Genus Caryothraustes Reichenbach, 1850
- Genus Cassicus Illiger, 1811 accepted as Cacicus Lacepède, 1799
- Genus Cassidix Lesson, 1831 accepted as Quiscalus Vieillot, 1816
- Genus Catamblyrhamphus Sundevall, 1872 accepted as Catamblyrhynchus Lafresnaye, 1842
- Genus Catamblyrhynchus Lafresnaye, 1842
- Genus Catamenia Bonaparte, 1850
- Genus Catharopeza Sclater, 1880
- Genus Cerbera Burmeister, 1837 accepted as Coereba Vieillot, 1807
- Genus Certhidea Gould, 1837
- Genus Certhidia Bonaparte, 1854 accepted as Certhidea Gould, 1837
- Genus Cerythus Hahn, 1818 accepted as Pinicola Vieillot, 1807
- Genus Cetophaga Lesson, 1828 accepted as Setophaga Swainson, 1827
- Genus Chamaethlypis Ridgway, 1887 accepted as Geothlypis Cabanis, 1847
- Genus Charitospiza Oberholser, 1905
- Genus Chaunoproctus Bonaparte & Schlegel, 1850
- Genus Chionomitris Wolters, 1979
- Genus Chloreuphonia Sclater in Jardine, 1851 accepted as Chlorophonia Bonaparte, 1851
- Genus Chloreus Kaup, 1829
- Genus Chloridops Wilson, 1888
- Genus Chloris Cuvier, 1800
- Genus Chlorochrysa Bonaparte, 1851
- Genus Chlorophanes Reichenbach, 1853
- Genus Chlorophonia Bonaparte, 1851
- Genus Chlorornis Reichenbach, 1850
- Genus Chlorospingus Cabanis in Cabanis & Heine, 1851
- Genus Chlorothraupis Salvin & Godman, 1883
- Genus Chlorura Sclater, 1862
- Genus Chlorurus accepted as Chlorura Sclater, 1862
- Genus Chondestes Swainson, 1827
- Genus Chrysothlypis Berlepsch, 1911
- Genus Ciridops Newton, 1892
- Genus Cissopis Vieillot, 1816
- Genus Cissopus Swainson, 1837 accepted as Cissopis Vieillot, 1816
- Genus Citrinella Kaup, 1829 accepted as Emberiza Linnaeus, 1758
- Genus Cnemoscopus Bangs & Penard, 1919
- Genus Coccauthraustes Lesson, 1841 accepted as Coccothraustes Brisson, 1760
- Genus Coccosthraustes d'Orbigny & Lafresnaye, 1837 accepted as Coccothraustes Brisson, 1760
- Genus Coccothraustes Brisson, 1760
- Genus Coccothraustis Temminck, 1815 accepted as Coccothraustes Brisson, 1760
- Genus Cocothraustes Jarocki, 1819 accepted as Coccothraustes Brisson, 1760
- Genus Coelebs Cuvier, 1800 accepted as Fringilla Linnaeus, 1758
- Genus Coelebs Lesson, 1831 accepted as Fringilla Linnaeus, 1758
- Genus Coereba Vieillot, 1807
- Genus Coerebra Boie, 1826 accepted as Coereba Vieillot, 1807
- Genus Compsocoma Cabanis in Cabanis & Heine, 1851 accepted as Anisognathus Reichenbach, 1850
- Genus Compsothraupis Richmond, 1915
- Genus Conirostra Cabanis in Cabanis & Heine, 1851 accepted as Conirostrum d'Orbigny & Lafresnaye, 1838
- Genus Conirostrum d'Orbigny & Lafresnaye, 1838
- Genus Conothraupis Sclater, 1880
- Genus Coryphaispiza Bonaparte, 1850 accepted as Coryphaspiza Gray, 1840
- Genus Coryphaspiza Gray, 1840
- Genus Coryphospingus Cabanis in Cabanis & Heine, 1851
- Genus Coryphospiza Agassiz, 1846 accepted as Coryphaspiza Gray, 1840
- Genus Corythus Cuvier, 1817 accepted as Pinicola Vieillot, 1807
- Genus Corytus af Strøm, 1839 accepted as Pinicola Vieillot, 1807
- Genus Cosmospiza accepted as Poospiza Cabanis, 1847
- Genus Coxia Schrank, 1798 accepted as Loxia Linnaeus, 1758
- Genus Creurgops Sclater, 1858
- Genus Crithagra Swainson, 1827
- Genus Curaeus Sclater, 1862
- Genus Cyanerpes Oberholser, 1899
- Genus Cyanicterus Bonaparte, 1850
- Genus Cyanocompsa Cabanis, 1861
- Genus Cyanoloxia Bonaparte, 1850
- Genus Cypsnagra Lesson, 1831
- Genus Dacnis Cuvier, 1817
- Genus Delothraupis Sclater, 1886
- Genus Demosia d'Orbigny, 1835 accepted as Nemosia Vieillot, 1816
- Genus Dendraeca Newton, 1860 accepted as Dendroica Gray, 1842
- Genus Dendroeca Agassiz, 1846 accepted as Dendroica Gray, 1842
- Genus Diglosa Hartlaub, 1842 accepted as Diglossa Wagler, 1832
- Genus Diglossa Wagler, 1832
- Genus Diglossopis Sclater, 1856
- Genus Diglossopsis Giebel, 1874 accepted as Diglossopis Sclater, 1856
- Genus Diuca Reichenbach, 1850
- Genus Dives Cassin, 1866
- Genus Dolichonix Bonaparte, 1831 accepted as Dolichonyx Swainson, 1827
- Genus Doliconyx Swainson, 1836 accepted as Dolichonyx Swainson, 1827
- Genus Dolospingus Elliot, 1871
- Genus Dolychonix Bonaparte & Schlegel, 1850 accepted as Dolichonyx Swainson, 1827
- Genus Dolychonyx Swainson, 1827 accepted as Dolichonyx Swainson, 1827
- Genus Dolychronyx Lesson, 1837 accepted as Dolichonyx Swainson, 1827
- Genus Donacospiza Cabanis in Cabanis & Heine, 1851
- Genus Drepanis Temminck, 1820
- Genus Drepanita Strand, 1943
- Genus Dubusia Bonaparte, 1850
- Genus Dysmorodrepanis Perkins, 1919
- Genus Emberisa Bonnaterre, 1791 accepted as Emberiza Linnaeus, 1758
- Genus Emberitza Sparrman, 1787 accepted as Emberiza Linnaeus, 1758
- Genus Emberizoides Temminck in Temminck & Laugier, 1822
- Genus Emberizoides Bonaparte, 1825
- Genus Embernagra Lesson, 1831
- Genus Emberriza Tarragon, 1844 accepted as Emberiza Linnaeus, 1758
- Genus Emberyza Lacepède, 1799 accepted as Emberiza Linnaeus, 1758
- Genus Embriza Frenzel, 1801 accepted as Emberiza Linnaeus, 1758
- Genus Encometes Giebel, 1874 accepted as Eucometis Sclater, 1856
- Genus Eophona Gould, 1851
- Genus Eophonia Bonaparte, 1853 accepted as Eophona Gould, 1851
- Genus Eremopsaltria Kirwan & Gregory, 2005
- Genus Ergaticus Baird, 1865
- Genus Erithrina Giebel, 1874 accepted as Carpodacus Kaup, 1829
- Genus Erithrospiza Lesson, 1837
- Genus Erythrina Brehm, 1828 accepted as Carpodacus Kaup, 1829
- Genus Erythrospiza Bonaparte, 1831
- Genus Erythrothorax Brehm, 1831 accepted as Carpodacus Kaup, 1829
- Genus Euchaetes Sclater, 1858 accepted as Calochaetes Sclater, 1879
- Genus Eucometes Salvin, 1867 accepted as Eucometis Sclater, 1856
- Genus Eucometis Sclater, 1856
- Genus Euneornis Fitzinger, 1856
- Genus Euphagus Cassin, 1866
- Genus Euphona Cabanis, 1847 accepted as Euphonia Desmarest, 1806
- Genus Euphona David, 1875 accepted as Eophona Gould, 1851
- Genus Euphones Billberg, 1828 accepted as Euphonia Desmarest, 1806
- Genus Euphonia Desmarest, 1806
- Genus Euthlypis Cabanis, 1851
- Genus Fringilla Linnaeus, 1758
- Genus Fringillaria Swainson, 1837 accepted as Emberiza Linnaeus, 1758
- Genus Geospiza Gould, 1837
- Genus Granatellus Du Bus de Gisignies, 1849
- Genus Grithagra Gay, 1847
- Genus Guarica Blyth, 1833 accepted as Guiraca Swainson, 1827
- Genus Gubernatrix Lesson, 1837
- Genus Guiraca Swainson, 1827
- Genus Gymnomystax Reichenbach, 1850
- Genus Gymnostinops Sclater, 1886
- Genus Habia Blyth in Cuvier, 1840
- Genus Habia Reichenbach, 1850
- Genus Haematospiza Blyth, 1845
- Genus Haemophila Reichenbach, 1850 accepted as Aimophila Swainson, 1837
- Genus Haimophila Bonaparte, 1853 accepted as Aimophila Swainson, 1837
- Genus Haplospiza Cabanis in Cabanis & Heine, 1851
- Genus Hedyglossa Cabanis in Cabanis & Heine, 1851 accepted as Diuca Reichenbach, 1850
- Genus Hedymeles Cabanis in Cabanis & Heine, 1851
- Genus Heliospiza Gunning, 1907
- Genus Helmintheros Schinz in Schinz-Cuvier, 1825 accepted as Helmitheros Rafinesque, 1819
- Genus Helmintherus Frantzius, 1869 accepted as Helmitheros Rafinesque, 1819
- Genus Helminthothera Sundevall, 1872 accepted as Helmitheros Rafinesque, 1819
- Genus Helminthotheras Coues, 1903 accepted as Helmitheros Rafinesque, 1819
- Genus Helminthotherus Salvin & Godman, 1880 accepted as Helmitheros Rafinesque, 1819
- Genus Helmithera Sundevall, 1872 accepted as Helmitheros Rafinesque, 1819
- Genus Helmitherus Baird, 1858 accepted as Helmitheros Rafinesque, 1819
- Genus Hematospiza Bonaparte, 1854 accepted as Haematospiza Blyth, 1845
- Genus Hemignathus Lichtenstein, 1839
- Genus Hemispingus Cabanis in Cabanis & Heine, 1851
- Genus Hemitheros Gray, 1855 accepted as Helmitheros Rafinesque, 1819
- Genus Hemitherus Giebel, 1874 accepted as Helmitheros Rafinesque, 1819
- Genus Hemithraupis Cabanis, 1851
- Genus Hesperiphona Bonaparte, 1850
- Genus Hesperiphonus Schlegel, 1857 accepted as Hesperiphona Bonaparte, 1850
- Genus Heterorhynchus de Lafresnaye, 1839
- Genus Heterospingus Ridgway, 1898
- Genus Himathione accepted as Himatione Cabanis, 1851
- Genus Himatione Cabanis, 1851
- Genus Hoplospiza Bonaparte, 1854 accepted as Haplospiza Cabanis in Cabanis & Heine, 1851
- Genus Hortulanus Vieillot, 1807
- Genus Hylike Gistl, 1848 accepted as Leistes Vigors, 1825
- Genus Hypopyrrhus Bonaparte, 1850
- Genus Ictericus Blyth, 1852 accepted as Icterus Brisson, 1760
- Genus Icterus Brisson, 1760
- Genus Idiopsar Cassin, 1867
- Genus Ignathus accepted as Hemignathus Lichtenstein, 1839
- Genus Incaspiza Ridgway, 1898
- Genus Iridisornis Bonaparte, 1854 accepted as Iridosornis Lesson, 1844
- Genus Iridophanes Ridgway, 1901
- Genus Iridornis Bonaparte, 1854 accepted as Iridosornis Lesson, 1844
- Genus Iridosornis Lesson, 1844
- Genus Irisornis Bonaparte, 1854 accepted as Iridosornis Lesson, 1844
- Genus Junco Wagler, 1831
- Genus Koslowia Dresser, 1905
- Genus Kozlowia Bianchi, 1907 accepted as Carpodacus Kaup, 1829
- Genus Lampropsar Cabanis, 1847
- Genus Lamprospar Burmeister, 1856 accepted as Lampropsar Cabanis, 1847
- Genus Lamprospiza Cabanis, 1847
- Genus Lamprotes Swainson, 1837 accepted as Compsothraupis Richmond, 1915
- Genus Lanio Vieillot, 1816
- Genus Latoucheornis Bangs, 1931
- Genus Leistes Vigors, 1825
- Genus Leptonyx Swainson, 1837 accepted as Coryphaspiza Gray, 1840
- Genus Leucopeza Sclater, 1875
- Genus Leucosticte Swainson in Richardson, 1832
- Genus Ligea Cory, 1884 accepted as Microligea Cory, 1884
- Genus Ligurnus Bonaparte, 1850 accepted as Linurgus Reichenbach, 1850
- Genus Limnospiza Cabanis in Cabanis & Heine, 1851 accepted as Embernagra Lesson, 1831
- Genus Linurgus Reichenbach, 1850
- Genus Lokia Nitzsch, 1811 accepted as Loxia Linnaeus, 1758
- Genus Lophospingus Cabanis, 1878
- Genus Lophospiza Bonaparte, 1850 accepted as Coryphospingus Cabanis in Cabanis & Heine, 1851
- Genus Loxia Linnaeus, 1758
- Genus Loxias Möhring, 1758 accepted as Loxia Linnaeus, 1758
- Genus Loxigilla Lesson, 1831
- Genus Loxiipasser Sharpe, 1909 accepted as Loxipasser Bryant, 1866
- Genus Loxioides Oustalet, 1877
- Genus Loxioïdes Oustalet, 1877 accepted as Loxioides Oustalet, 1877
- Genus Loxioideus Stejneger, 1885 accepted as Loxioides Oustalet, 1877
- Genus Loxipasser Bryant, 1866
- Genus Loxops Cabanis, 1847
- Genus Lysurus Ridgway, 1898
- Genus Macragelaeus Sclater, 1884 accepted as Macroagelaius Cassin, 1866
- Genus Macroagelaius Cassin, 1866
- Genus Manucerthia Pratt, 2009
- Genus Mazaria Claramunt, 2014
- Genus Melamprosops Casey & Jacobi, 1974
- Genus Melanodera Bonaparte, 1850
- Genus Melanospiza Ridgway, 1897
- Genus Melanzona Cabanis, 1861 accepted as Melozone Reichenbach, 1850
- Genus Melexone Gray, 1870 accepted as Melozone Reichenbach, 1850
- Genus Melophus Swainson, 1837
- Genus Melopyrrha Gray, 1855
- Genus Melopyrrha Bonaparte, 1853 accepted as Melopyrrha Gray, 1855
- Genus Melospiza Baird, 1858
- Genus Meloxene Gray, 1855 accepted as Melozone Reichenbach, 1850
- Genus Melozone Reichenbach, 1850
- Genus Micerobas Zarudny, 1903
- Genus Microligea Cory, 1884
- Genus Miliaria Brehm, 1828 accepted as Miliaria Brehm, 1831
- Genus Miliaria Brehm, 1831
- Genus Mitrospingus Ridgway, 1898
- Genus Mniotilla Vieillot, 1818 accepted as Mniotilta Vieillot, 1816
- Genus Molobrus Cabanis in Cabanis & Heine, 1851 accepted as Molothrus Swainson in Richardson, 1832
- Genus Molothrus Swainson in Richardson, 1832
- Genus Mycerobas Cabanis, 1847
- Genus Mycerobus Cabanis, 1847
- Genus Myioborus Baird, 1865
- Genus Myospiza Ridgway, 1898
- Genus Nemosia Vieillot, 1816
- Genus Neopsar Giebel, 1875 accepted as Nesopsar Sclater, 1859
- Genus Neospiza Salvadori, 1903
- Genus Neothraupis Berlepsch, 1879
- Genus Nephelornis Lowery & Tallman, 1976
- Genus Nesopsar Sclater, 1859
- Genus Nesospingus Sclater, 1885
- Species Nesospingus speculiferus (Lawrence, 1875)
- Genus Nesospiza Cabanis, 1873
- Genus Nesospiza Reichenow, 1904 accepted as Neospiza Salvadori, 1903
- Genus Notiopsar Oberholser, 1921
- Genus Ocyalus Waterhouse, 1841
- Genus Opornis accepted as Oporornis Baird, 1858
- Genus Oporonis accepted as Oporornis Baird, 1858
- Genus Orchesticus Cabanis in Cabanis & Heine, 1851
- Genus Oreomanes Sclater, 1860
- Genus Oreomystes Sharpe, 1909 accepted as Oreomystis Stejneger, 1903
- Genus Oreomystis Stejneger, 1903
- Genus Oreomyza Stejneger, 1887 accepted as Oreomystis Stejneger, 1903
- Genus Oreopsar Sclater, 1939
- Genus Oreospiza Keitel, 1857
- Genus Oreospiza Ridgway, 1896
- Genus Oreothraupis Sclater, 1856
- Genus Orites Keyserling & Blasius, 1840
- Genus Oritura Bonaparte, 1853 accepted as Oriturus Bonaparte, 1850
- Genus Oriturus Bonaparte, 1850
- Genus Orthiospiza James & Olson, 1991
- Genus Orthogenys Giebel, 1875 accepted as Orthogonys Strickland, 1844
- Genus Orthogonys Strickland, 1844
- Genus Oryzoborus Cabanis in Cabanis & Heine, 1851
- Genus Palmeria Rothschild, 1893
- Genus Paospiza Burmeister, 1856 accepted as Poospiza Cabanis, 1847
- Genus Parkerthraustes Remsen, 1997
- Genus Paroaria Bonaparte, 1831
- Genus Paroreomyza Perkins, 1901
- Genus Passarella Nuttall, 1840 accepted as Passerella Swainson, 1837
- Genus Passerella Swainson, 1837
- Genus Peripophyrus Gray, 1855 accepted as Periporphyrus Reichenbach, 1850
- Genus Peripopyrrhus Gray, 1870 accepted as Periporphyrus Reichenbach, 1850
- Genus Periporphyrus Reichenbach, 1850
- Genus Peteria Hoy, 1853 accepted as Icteria Vieillot, 1807
- Genus Peucedramus Coues in Henshaw, 1875
- Genus Peudoleistes Sclater & Salvin, 1873 accepted as Pseudoleistes Sclater, 1862
- Genus Pezites Cabanis in Cabanis & Heine, 1851 accepted as Sturnella Vieillot, 1816
- Genus Pezopetes Cabanis, 1861
- Genus Phaenicophilus Strickland in Jardine, 1851
- Genus Phaenocophilus accepted as Phaenicophilus Strickland in Jardine, 1851
- Genus Phanicophilus Giebel, 1876 accepted as Phaenicophilus Strickland in Jardine, 1851
- Genus Phlogothraupis Sclater & Salvin, 1873 accepted as Ramphocelus Desmarest, 1805
- Genus Phoenicophilus Strickland in Jardine, 1851 accepted as Phaenicophilus Strickland in Jardine, 1851
- Genus Phonasca Cabanis, 1861 accepted as Euphonia Desmarest, 1806
- Genus Phrygilus Cabanis, 1844
- Genus Piezorhina Agassiz, 1846
- Genus Piezorhyna Des Murs in Chenu, 1854
- Genus Piezorina Lafresnaye, 1843
- Genus Pinaroloxias Sharpe, 1885
- Genus Pinicola Vieillot, 1807
- Genus Pinicolor Cabanis in Ersch & Gruber, 1849 accepted as Pinicola Vieillot, 1807
- Genus Pipillo Vieillot, 1818 accepted as Pipilo Vieillot, 1816
- Genus Pipilo Vieillot, 1816
- Genus Pipraecidea Giebel, 1876 accepted as Pipraeidea Swainson, 1827
- Genus Pipraeida Bonaparte, 1851 accepted as Pipraeidea Swainson, 1827
- Genus Pipraeidea Swainson, 1827
- Genus Pipraeidia Gray, 1871 accepted as Pipraeidea Swainson, 1827
- Genus Pipraida Blyth, 1852 accepted as Pipraeidea Swainson, 1827
- Genus Pipraidea Gray, 1870 accepted as Pipraeidea Swainson, 1827
- Genus Pipridea Sclater, 1857 accepted as Pipraeidea Swainson, 1827
- Genus Piproeidea Sclater, 1854 accepted as Pipraeidea Swainson, 1827
- Genus Piproidea Strickland, 1841 accepted as Pipraeidea Swainson, 1827
- Genus Piranga Vieillot, 1807
- Genus Pirrhula S.D.W., 1836 accepted as Pyrrhula Brisson, 1760
- Genus Pirrula S.D.W., 1836 accepted as Pyrrhula Brisson, 1760
- Genus Pirula Wood, 1835 accepted as Pyrrhula Brisson, 1760
- Genus Pithylus Lesson, 1834 accepted as Pitylus Cuvier, 1817
- Genus Pitylus Cuvier, 1817
- Genus Plagiospiza Ridgway, 1898
- Genus Platyspiza Ridgway, 1897 accepted as Camarhynchus Gould, 1837
- Genus Polymitra Cabanis in Cabanis & Heine, 1851 accepted as Emberiza Linnaeus, 1758
- Genus Poocaetes Baird, 1858 accepted as Pooecetes Baird, 1858
- Genus Poocoetus Sundevall, 1872 accepted as Pooecetes Baird, 1858
- Genus Pooecetes Baird, 1858
- Genus Poospiza Cabanis, 1847
- Genus Porphyrospiza Sclater & Salvin, 1873
- Genus Poxia Madiot, 1818 accepted as Loxia Linnaeus, 1758
- Genus Protonotarius Cabanis, 1862 accepted as Protonotaria Baird, 1858
- Genus Protopyrrhula Bianchi, 1907
- Genus Psaracolius Des Murs, 1846 accepted as Psarocolius Wagler, 1827
- Genus Psaracolnis Des Murs in Chenu, 1854 accepted as Psarocolius Wagler, 1827
- Genus Psarcolius accepted as Psarocolius Wagler, 1827
- Genus Psaroclius Orbigny & Lafresnaye, 1838 accepted as Psarocolius Wagler, 1827
- Genus Psarocolius Wagler, 1827
- Genus Pselliophorus Ridgway, 1898
- Genus Pseudodacnis Sclater, 1886
- Genus Pseudoleistes Sclater, 1862
- Genus Pseudonestor Rothschild, 1893
- Genus Psittacirostra Temminck in Temminck & Laugier, 1828 accepted as Psittirostra Temminck, 1820
- Genus Psittarostra Temminck, 1821 accepted as Psittirostra Temminck, 1820
- Genus Psittirostra Temminck, 1820
- Genus Pyranga Vieillot, 1816 accepted as Piranga Vieillot, 1807
- Genus Pyrauga Reichenbach, 1850 accepted as Piranga Vieillot, 1807
- Genus Pyrrhocoma Cabanis in Cabanis & Heine, 1851
- Genus Pyrrholeptes Bonaparte & Schlegel, 1850 accepted as Pyrrhoplectes Hodgson, 1845
- Genus Pyrrhomocoma accepted as Pyrrhocoma Cabanis in Cabanis & Heine, 1851
- Genus Pyrrhoplectes Hodgson, 1845
- Genus Pyrrhoplectes Hodgson, 1844 accepted as Pyrrhoplectes Hodgson, 1845
- Genus Pyrrhoplectus accepted as Pyrrhoplectes Hodgson, 1845
- Genus Pyrrhula Brisson, 1760
- Genus Pyrrhuphonia Bonaparte, 1850
- Genus Pyrrula Antinori, 1864 accepted as Pyrrhula Brisson, 1760
- Genus Pythilus Boie, 1826 accepted as Pitylus Cuvier, 1817
- Genus Pytilus Schinz in Schinz-Cuvier, 1821 accepted as Pitylus Cuvier, 1817
- Genus Quisculus Vigors, 1828 accepted as Quiscalus Vieillot, 1816
- Genus Quisqualis Bonaparte, 1830 accepted as Quiscalus Vieillot, 1816
- Genus Quisqualus Burmeister, 1850 accepted as Quiscalus Vieillot, 1816
- Genus Ramphocelis Pearson, 1841 accepted as Ramphocelus Desmarest, 1805
- Genus Ramphocelus Desmarest, 1805
- Genus Ramphocoelus Sclater & Salvin, 1872 accepted as Ramphocelus Desmarest, 1805
- Genus Rhamphoceles Billberg, 1828 accepted as Ramphocelus Desmarest, 1805
- Genus Rhamphocelus Desmarest, 1805 accepted as Ramphocelus Desmarest, 1805
- Genus Rhamphocoelus Gloger, 1841 accepted as Ramphocelus Desmarest, 1805
- Genus Rhodacanthis Rothschild, 1892
- Genus Rhodinocichla Hartlaub, 1853
- Genus Rhodinocincla Reichenbach, 1853 accepted as Rhodinocichla Hartlaub, 1853
- Genus Rhodinocinclus Burmeister, 1856 accepted as Rhodinocichla Hartlaub, 1853
- Genus Rhodinocycla Bonaparte, 1854 accepted as Rhodinocichla Hartlaub, 1853
- Genus Rhodocincla Sundevall, 1872 accepted as Rhodinocichla Hartlaub, 1853
- Genus Rhodopechys Cabanis & Heine, 1851
- Genus Rhodospingus Sharpe, 1888
- Genus Rhodospiza Sharpe, 1888
- Genus Rhodothraupis Ridgway, 1898
- Genus Rhynchophanes Baird, 1858 accepted as Calcarius Bechstein, 1802
- Genus Rhynchospiza Ridgway, 1898 accepted as Aimophila Swainson, 1837
- Genus Rhynchostruthus Sclater & Hartlaub, 1881
- Genus Rowettia Lowe, 1923
- Genus Rufiphonia Vázquez-López & Hernández-Baños, 2024
- Genus Saltator Vieillot, 1816
- Genus Saltatricula Burmeister, 1861
- Genus Salvator Lesson, 1837 accepted as Saltator Vieillot, 1816
- Genus Scaphidura Swainson, 1837
- Genus Scaphidurus Swainson, 1827
- Genus Schaenicola Bonaparte, 1850
- Genus Schanicola Bonaparte, 1853
- Genus Schistochlamys Reichenbach, 1850
- Genus Schistoclamys accepted as Schistochlamys Reichenbach, 1850
- Genus Schoenicola Bonaparte, 1850
- Genus Sciurus d'Orbigny in Sagra, 1839 accepted as Seiurus Swainson, 1827
- Genus Seisurus Swainson, 1837 accepted as Seiurus Swainson, 1827
- Genus Sejurus Cabanis, 1847 accepted as Seiurus Swainson, 1827
- Genus Sericossypha Lesson, 1844
- Genus Serinus Brisson, 1760
- Genus Sicalis Boie, 1828
- Genus Siurus Strickland, 1841 accepted as Seiurus Swainson, 1827
- Genus Spindalis Jardine & Selby, 1836
- Genus Spindasis Newton, 1894 accepted as Spindalis Jardine & Selby, 1836
- Genus Spinites Cabanis in Cabanis & Heine, 1851 accepted as Spizella Bonaparte, 1831
- Genus Spinus Koch, 1816 accepted as Carduelis Brisson, 1760
- Genus Spinus Möhring, 1758 accepted as Carduelis Brisson, 1760
- Genus Spizella Bonaparte, 1831
- Genus Stephanophorus Strickland, 1841
- Genus Struthus Boie, 1826 accepted as Fringilla Linnaeus, 1758
- Genus Sturella Wood, 1837 accepted as Sturnella Vieillot, 1816
- Genus Sturnella Vieillot, 1816
- Genus Sycalis Tschudi, 1844 accepted as Sicalis Boie, 1828
- Genus Tachyphonus Vieillot, 1816
- Genus Tanagrella Swainson, 1837, nom. nud.
- Genus Tanagrella Swainson, 1837
- Genus Tangara Brisson, 1760
- Genus Telespiza Wilson, 1890
- Genus Telespyza Wilson, 1890 accepted as Telespiza Wilson, 1890
- Genus Teretistris Cabanis, 1855
- Genus Teretristis Baird, 1865 accepted as Teretistris Cabanis, 1855
- Genus Teretristris Giebel, 1877 accepted as Teretistris Cabanis, 1855
- Genus Tersina Vieillot, 1819
- Genus Thauspis Gray, 1840 accepted as Thraupis Boie, 1826
- Genus Thlypopsis Cabanis in Cabanis & Heine, 1851
- Genus Thraupis Boie, 1826
- Genus Tiaris Swainson, 1827
- Genus Torreornis Barbour & Peters, 1927
- Genus Torrida Temminck, 1820 accepted as Loxia Linnaeus, 1758
- Genus Traupis Giebel, 1877 accepted as Thraupis Boie, 1826
- Genus Trichas Swainson, 1827
- Genus Trichothraupis Cabanis, 1851
- Genus Tringilla Wood, 1835 accepted as Fringilla Linnaeus, 1758
- Genus Trupialis Bonaparte, 1850
- Genus Uragus Keyserling & Blasius, 1840
- Genus Urocynchramus Prejevalsky, 1878
- Genus Urothraupis Taczanowski & Berlepsch, 1885
- Genus Vangulifer James & Olson, 1991
- Genus Vestiaria Jarocki, 1821
- Genus Viridonia Rothschild, 1892
- Genus Volatinia Reichenbach, 1850
- Genus Wetmorethraupis Lowery & O'Neill, 1964
- Genus Xanthocephalus Bonaparte, 1850
- Genus Xenodacnis Cabanis, 1873
- Genus Xenoligea Bond, 1967
- Genus Xenospingus Cabanis, 1867
- Genus Xenospiza Bangs, 1931
- Genus Xestospiza James & Olson, 1991
- Genus Zamelodia Coues, 1880
- Genus Zeledonia Ridgway, 1889
- Genus Zonotrichia Swainson in Richardson, 1832
- Family Furnariidae Gray, 1840
- Family Grallinidae
- Family Hirundinidae Vigors, 1825
- Family Hyliotidae Fjeldså, 2014
- Family Hylocitreidae Fjeldså, Ericson, Johansson & Zuccon, 2015
- Family Hypocolidae
- Family Hypocoliidae
- Family Icteridae Vigors, 1825
- Family Irenidae
- Family Laniidae Swainson, 1824
- Family Locustellidae Bonaparte, 1854
- Family Malaconotidae
- Family Maluridae
- Family Megaluridae Blyth, 1875 accepted as Locustellidae Bonaparte, 1854
- Family Melampittidae Schodde & Christidis, 2014
- Family Melanocharitidae
- Family Meliphagidae Vigors, 1825
- Family Menuridae Gray, 1847
- Family Mimidae
- Family Mniotillidae accepted as Parulidae
- Family Modulatricidae Fjeldså, Ericson, Johansson & Zuccon, 2015
- Family Monarchidae
- Family Motacillidae Vigors, 1825
- Family Muscicapidae Fleming, 1822
- Family Musicapidae Vigors, 1825 accepted as Muscicapidae Fleming, 1822
- Family Nectariniidae Vigors, 1825
- Family Neosittidae
- Family Nicatoridae Cracraft, Beresford & Barker, 2014
- Family Oriolidae Vigors, 1825
- Family Orthonychidae
- Family Oxyrunchidae
- Family Oxyruncidae
- Family Pachycephalidae
- Family Palaeoscinidae Howard, 1957 †
- Family Palaeospizidae Wetmore, 1925 †
- Family Paradisaeidae
- Family Paramythiidae
- Family Pardalotidae
- Family Paridae Vigors, 1825
- Family Parulidae
- Family Passerellidae Cabanis & Heine, 1850-51
- Family Passeres (awaiting allocation)
- Family Passeridae Illiger, 1811
- Family Passeriformes (awaiting allocation)
- Family Passeriformes incertae sedis
- Family Petroicidae
- Family Philepittidae
- Family Phytotomidae
- Family Picathartidae
- Family Pipridae Rafinesque, 1815
- Family Pittidae Swainson, 1831
- Family Pityriaseidae Mayr & Amadon, 1951
- Family Pityriasididae
- Family Platysteiridae
- Family Ploceidae
- Family Pomatostomidae
- Family Primoscenidae Harrison & Walker, 1977 † accepted as Zygodactylidae Brodkorb, 1971 †
- Family Prionopidae
- Family Prunellidae Richmond, 1908
- Family Ptilonorhynchidae Gray, 1846
- Family Pycnonotidae Gray, 1840
- Family Regulidae
- Family Rhinocryptidae
- Family Rhipiduridae
- Family Saxicolidae
- Family Scytalopodidae Müller, 1846
- Family Sittidae Lesson, 1828
- Family Sturnidae Vigors, 1825
- Family Sylviidae Vigors, 1825
- Family Tanagridae Vigors, 1825 accepted as Thraupidae
- Family Tersinidae
- Family Thamnophilidae Vigors, 1825
- Family Thraupidae
- Family Timaliidae Delacour, 1946
- Family Troglodytidae Swainson, 1832
- Family Turdidae
- Family Tyrannidae Vigors, 1825
- Family Vangidae
- Family Vireonidae Swainson, 1837
- Family Xenicidae
- Family Zeledoniidae
- Family Zosteropidae Bonaparte, 1853
- Family Zygodactylidae Brodkorb, 1971 †
- Order Patagopteryformes †
- Order Pelecaniformes
- Order Phaethontiformes
- Order Phoenicopteriformes
- Order Piciformes
- Order Podicipediformes
- Order Praeornithiformes †
- Order Procellariiformes
- Order Psittaciformes
- Order Pygostylia incertae sedis †
- Order Remiornithiformes †
- Order Rheiformes
- Order Sandcoleiformes †
- Order Sphenisciformes
- Order Stereornithes †
- Order Strigiformes
- Order Struthioniformes
- Order Suliformes
- Order Tinamiformes
- Order Trogoniformes
- Order Upupiformes
- Order Vegaviiformes †
- Order Yandangithformes †
- Order Yanornithiformes †
- Family Gobioolithidae Mikhailov, 1996 †
- Family Medioolithidae Kohring & Hirsch, 1996 †
- Family Morsoravidae Mayr, 2023 †
- Family Ornitholithidae Dughi & Sirugue, 1962 †
- Family Xenaviculidae Mayr & Kitchener, 2024 †
- Family Zealandornithidae Worthy, Scofield, Salisbury, Hand, De Pietri & Archer, 2022 †
- Genus Janavis Benito, Kuo, Widrig, Jagt & Field, 2022 †
- Genus Lumbrerornis Bertelli et al., 2024 †
- Genus Lutavis Mayr & Kitchener, 2022 †
- Genus Oculudentavis Xing, O'Connor, Schmitz, Chiappe, McKellar, Yi & Li, 2020 †
- Genus Parvoolithus Mikhailov, 1996 †
- Genus Plagioolithus Imai & Azuma, 2015 †
- Genus Struthiolithus Brandt, 1872 †
- Genus Styloolithus Varricchio & Barta, 2014 †
- Genus Sulcitarsus Mayr & Kitchener, 2024 †
- Genus Tristratioolithus Bravo, Sevilla & Barroso-Barcenilla, 2018 †
- Genus Waltonavis Mayr & Kitchener, 2022 †
- Class Mammalia
- Class Mammaliaformes incertae sedis †
- Class Reptilia
- Genus Archaeoraptor Sloan, 1999 †
- Genus Brittagnathus Ahlberg & Clack, 2020 †
- Genus Diploradus Clack & Smithson in Clack et al., 2017 †
- Genus Mesanerpeton Smithson & Clack, 2018 †
- Genus Ossirarus Clack & Smithson in Clack et al., 2017 †
- Genus Parmastega Beznosov, Clack, Lukševičs, Ruta & Ahlberg, 2019 †
- Genus Perittodus Clack & Smithson in Clack et al., 2017 †
- Genus Sigournea Bolt & Lombard, 2006 †
- Genus Tantallognathus Chen, Alavi, Brazeau, Blom, Millward & Ahlberg, 2017 †
- Genus Tutusius Gess & Ahlberg, 2018 †
- Genus Umzantsia Gess & Ahlberg, 2018 †
- Class Acanthodii †
- Class Actinopterygii
- Class Agnatha (awaiting allocation)
- Class Cephalaspidomorphi
- Class Chondrichthyes
- Class Conodonta †
- Class Dipnoi
- Class Dipnomorpha accepted as Dipnoi
- Class Galeaspida †
- Class Gnathostomata incertae sedis †
- Class Myxini
- Class Osteichthyes (awaiting allocation)
- Class Osteichthyes incertae sedis †
- Class Ostracodermi †
- Class Pisces (awaiting allocation)
- Class Placodermi †
- Class Pteraspidomorphi †
- Class Sarcopterygii
- Class Thelodonti †
- Genus Emmonsaspis Resser & Howell, 1938 †
- Genus Harajicadectes Choo, Holland, Clement, King, Challands, Young & Long, 2024 †
- Genus Kahamachli Malkani, 2019 †
- Genus Nuucichthys Lerosey-Aubril & Ortega-Hernández, 2024 †
- Genus Rhynchocopros Hunt, Lucas & Spielmann, 2013 †
- Genus Santamariacopros Hunt, Lucas & Spielmann, 2013 †
- Genus Squirmarius McCoy, Wittry, Sadabadi & Mayer, 2023 †
- Class Chordata (awaiting allocation)
- Class Eotetrapodiformes incertae sedis
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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