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Alligatoridae
Taxonomy
Alligatoridae was named by Gray (1844). It is extant.
It was synonymized subjectively with Crocodilidae by Cope (1871); it was synonymized subjectively with Crocodylidae by Hay (1930); it was reranked as the unranked clade Alligatoridae by Rio and Mannion (2021).
It was assigned to Brevirostres by Zittel (1890); to Eusuchia by Gilmore (1911), Schmidt (1938), Huene (1954), Mook (1962), Bartels (1984) and Carroll (1988); to Crocodilia by Gilmore (1946) and Khajuria and Prasad (1998); to Crocodylia by Frank and Ramus (1996) and Lang and Guilette (2002); to Alligatoroidea by Brochu et al. (2009); to Crocodiliformes by Riff et al. (2010); to Crocodyliformes by Böhme (2010); to Alligatoroidea by Silva Lacerda et al. (2020); and to Globidonta by Brochu (1999), Pinheiro et al. (2013), Massonne et al. (2019) and Rio and Mannion (2021).
It was synonymized subjectively with Crocodilidae by Cope (1871); it was synonymized subjectively with Crocodylidae by Hay (1930); it was reranked as the unranked clade Alligatoridae by Rio and Mannion (2021).
It was assigned to Brevirostres by Zittel (1890); to Eusuchia by Gilmore (1911), Schmidt (1938), Huene (1954), Mook (1962), Bartels (1984) and Carroll (1988); to Crocodilia by Gilmore (1946) and Khajuria and Prasad (1998); to Crocodylia by Frank and Ramus (1996) and Lang and Guilette (2002); to Alligatoroidea by Brochu et al. (2009); to Crocodiliformes by Riff et al. (2010); to Crocodyliformes by Böhme (2010); to Alligatoroidea by Silva Lacerda et al. (2020); and to Globidonta by Brochu (1999), Pinheiro et al. (2013), Massonne et al. (2019) and Rio and Mannion (2021).
Synonymy list
Year | Name and author |
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1844 | Alligatoridae Gray |
1890 | Alligatoridae Zittel p. 679 |
1911 | Alligatoridae Gilmore p. 298 |
1938 | Alligatoridae Schmidt p. 315 |
1946 | Alligatoridae Gilmore p. 62 |
1954 | Alligatoridae Huene p. 55 |
1962 | Alligatoridae Mook p. 5 |
1984 | Alligatoridae Bartels p. 1347 |
1988 | Alligatoridae Carroll |
1996 | Alligatoridae Frank and Ramus |
1998 | Alligatoridae Khajuria and Prasad |
1999 | Alligatoridae Brochu |
2002 | Alligatoridae Lang and Guilette p. 213 |
2009 | Alligatoridae Brochu et al. p. 538 |
2010 | Alligatoridae Böhme p. 17 |
2010 | Alligatoridae Riff et al. |
2013 | Alligatoridae Pinheiro et al. |
2019 | Alligatoridae Massonne et al. |
2020 | Alligatoridae Silva Lacerda et al. |
2021 | Alligatoridae Rio and Mannion |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Unr. Alligatoridae Gray 1844
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Unr. Alligatorinae Cuvier 1807
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G. †Ahdeskatanka Cossette and Tarailo 2024
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†Ahdeskatanka russlanddeutsche Cossette and Tarailo 2024
G. Alligator Daudin 1809 [alligator]
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†Alligator gaudryi de Stefano 1905
†Alligator hailensis Stout 2020
†Alligator hantoniensis Wood 1846
†Alligator luicus Li and Wang 1987
†Alligator mcgrewi Schmidt 1941
†Alligator mefferdi Mook 1946
Alligator mississippiensis Daudin 1801 [American alligator]
†Alligator munensis Darlim et al. 2023
†Alligator olseni White 1942
†Alligator prenasalis Loomis 1904
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Invalid names: Allognathosuchus riggsi Patterson 1931 [synonym], Caimanoidea visheri Mehl 1916 [synonym]
Alligator sinensis Fauvel 1879 [Chinese alligator]
†Alligator thomsoni Mook 1923
G. †Allognathosuchus Mook 1921
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†Allognathosuchus heterodon Cope 1873
†Allognathosuchus polyodon Cope 1873
†Allognathosuchus wartheni Case 1925
†Allognathosuchus woutersi Buffetaut 1985
G. †Navajosuchus Mook 1942
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Unr. †Caimaninae Brochu 1999
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Unr. †Brachychampsini Cossette and Tarailo 2024
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G. †Brachychampsa Gilmore 1911
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†Brachychampsa montana Gilmore 1911
†Brachychampsa sealeyi Williamson 1996
Unr. †Jacarea Gray 1844
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G. †Acresuchus Souza-Filho et al. 2019
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†Acresuchus pachytemporalis Souza-Filho et al. 2019
Invalid names: Caiman niteroiensis Souza Filho and Bocquetin 1991 [nomen nudum], Caiman pachytemporalis Souza-Filho 1998 [nomen nudum]
G. †Bottosaurus Agassiz 1849
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†Bottosaurus fustidens Cossette 2021
†Bottosaurus harlani Meyer 1832
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Invalid names: Crocodilus macrorhynchus Harlan 1834 [objective synonym]
G. Caiman Spix 1825 [caiman]
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†Caiman australis Bravard 1858
†Caiman brevirostris Souza Filho 1987
Caiman crocodilus Linnaeus 1758 [Common caiman]
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Invalid names: Caiman venezuelensis Fortier and Rincón 2013 [synonym]
Caiman latirostris Daudin 1801 [broud-snouted caiman]
†Caiman paranensis Scalabrini 1887
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Invalid names: Alligator ameghinoi Rovereto 1912 [synonym], Alligator lutescens Rovereto 1912 [synonym]
†Caiman praecursor Rusconi 1933
Caiman sclerops Schneider 1801 [common caiman]
†Caiman wannlangstoni Salas-Gismondi et al. 2015
Caiman yacare Daudin 1802
Invalid names: Jacaretinga Spix 1825 [synonym]
G. Melanosuchus Gray 1862 [black caiman]
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†Melanosuchus fisheri Medina 1976
†Melanosuchus latrubessei Souza-Filho et al. 2020
Melanosuchus niger Spix 1825
G. Paleosuchus Gray 1862 [caiman]
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Paleosuchus palpebrosus Cuvier 1807
Paleosuchus trigonatus Schneider 1801
G. †Purussaurus Barbosa Rodrigues 1892
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†Purussaurus brasiliensis Barbosa-Rodrigues 1892
†Purussaurus mirandai Aguilera et al. 2006
†Purussaurus neivensis Mook 1941
Invalid names: Caiman lutescens Rovereto 1912 [nomen dubium]
G. †Kuttanacaiman Salas-Gismondi et al. 2015
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†Kuttanacaiman iquitosensis Salas-Gismondi et al. 2015
G. †Mourasuchus Price 1964
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†Mourasuchus amazonensis Price 1964
†Mourasuchus arendsi Bocquentin Villanueva 1984
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Invalid names: Mourasuchus nativus Gasparini 1985 [synonym]
†Mourasuchus atopus Langston 1965
†Mourasuchus pattersoni Cidade et al. 2017
Invalid names: Carandaisuchus Gasparini 1985 [synonym], Nettosuchus Langston 1965 [synonym]
Invalid names: Caiman tremembensis Chiappe 1988 [nomen dubium], Nettosuchidae Langston 1965 [empty]
G. †Caimanoidea Mehl 1916
G. †Dinosuchus Gervais 1876
G. †Hispanochampsa Kalin 1936
G. †Proalligator Ambrosetti 1890
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Benton 1983, Carroll 1988, Hendy et al. 2009, Bush and Bambach 2015 |
Age range
Maximum range based only on fossils: base of the Late/Upper Turonian to the top of the Holocene or 93.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 89.3 Ma
Minimum age of oldest fossil (stem group age): 89.3 Ma
Collections (567 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Turonian | Uzbekistan (Navoi) | Brachychampsa sp. (58597) | |
Middle Turonian - Late/Upper Turonian | Uzbekistan (Navoi) | Alligatoridae indet. (58179) | |
Early/Lower Campanian | Kazakhstan (Ongtüstik Qazaqstan) | Brachychampsa sp. (59730) | |
Early/Lower Campanian - Middle Campanian | USA (New Mexico) | Brachychampsa sp. (13000) | |
Judithian | USA (Wyoming) | Brachychampsa montana, Alligatorinae indet. (14458) | |
Late/Upper Campanian | Mexico (Baja California) | Alligatoridae indet. A, Brachychampsa sp. (197021) | |
Late/Upper Campanian | USA (New Mexico) | Alligatoridae indet. (14472 222074) Brachychampsa montana (36269 47818) Brachychampsa sp. (36449 36541 36542 52052 62537) | |
Late/Upper Campanian | Canada (Alberta) | Albertochampsa langstoni (123414) Alligatorinae indet. (45671 45674 45822 45897 45898) | |
Late/Upper Campanian | USA (Utah) | Brachychampsa sp. (231039) | |
Late/Upper Campanian | USA (Arizona) | Alligatoridae indet. (24915) | |
Late/Upper Campanian | USA (New Jersey) | Brachychampsa sp., Allognathosuchus sp. (14455) | |
Middle Campanian | Canada (Alberta) | Alligatorinae indet. (45560 45561 45564 45565 45566 45567 45670 45820) | |
Middle Campanian | USA (Montana) | Brachychampsa sp. (14437) | |
Middle Campanian | USA (South Carolina) | Bottosaurus sp. (180790) | |
Middle Campanian - Late/Upper Campanian | Canada (Alberta) | Alligatorinae indet. (45821 45894) | |
Middle Campanian - Late/Upper Campanian | Canada (Saskatchewan) | Brachychampsa sp. (14494) | |
Middle Campanian - Late/Upper Campanian | USA (Texas) | Alligatoridae indet. (212185) Brachychampsa sp. (68001 68002 68003 68004 68006) | |
Middle Campanian - Late/Upper Campanian | USA (South Carolina) | Bottosaurus sp. (201615) | |
Late/Upper Campanian - Early/Lower Maastrichtian | USA (Colorado) | Brachychampsa sp. (167302) | |
Late/Upper Campanian - Early/Lower Maastrichtian | USA (New Jersey) | Brachychampsa sp. (14504) |