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===Phylogeny=== A 2018 [[tip dating]] study by Lee & Yates simultaneously using [[morphology (biology)|morphological]], molecular ([[DNA sequencing]]), and [[stratigraphic]] ([[fossil]] age) data established the inter-relationships within [[Crocodylidae]].<ref name="LeeYates2018">{{cite journal | author=Lee, Michael S. Y. |author-link=species:Michael S.Y. Lee |author2=Yates, Adam M. |author2-link=species:Adam Michael Yates |date=27 June 2018 |title=Tip-dating and homoplasy: reconciling the shallow molecular divergences of modern gharials with their long fossil |journal=[[Proceedings of the Royal Society B]] |volume=285 |issue=1881 |doi=10.1098/rspb.2018.1071 |pmid=30051855 |pmc=6030529 |doi-access=free}}</ref> In 2021, Hekkala ''et al.'' were able to use [[paleogenomics]], extracting DNA from the extinct ''[[Voay]]'', to better establish the relationships within Crocodylidae, including the subfamilies [[Crocodylinae]] and [[Osteolaeminae]].<ref name="Hekkala2021"/> The below [[cladogram]] shows the results of the latest study: {{clade| style=font-size:100%;line-height:85% |label1='''[[Crocodylidae]]''' |sublabel1=([[crown group]]) |1={{clade |label1=[[Osteolaeminae]] |1={{clade |1={{clade |1=''Mecistops cataphractus'' [[West African slender-snouted crocodile]] |2=''[[Euthecodon]]''{{extinct}} }} |2={{clade |1=''[[Brochuchus]]''{{extinct}} |2={{clade |1=''[[Rimasuchus]]''{{extinct}} |2={{clade |1=''Osteolaemus osborni'' [[Osborn’s dwarf crocodile]] |2=''Osteolaemus tetraspis'' [[Dwarf crocodile]] }} }} }} }} |label2=[[Crocodylinae]] |2={{clade |1=''[[Voay]]''{{extinct}} |label2='''''Crocodylus''''' |2={{clade |1={{clade |1={{clade |1=''[[Crocodylus anthropophagus]]''{{extinct}} |2=''[[Crocodylus thorbjarnarsoni]]''{{extinct}} }} |2={{clade |1=''[[Crocodylus palaeindicus]]''{{extinct}} |2=''Crocodylus'' Tirari Desert{{extinct}} }} }} |2={{clade |label1=Asia+Australia |1={{clade |1={{clade |1=''Crocodylus johnstoni'' [[Freshwater crocodile]] [[File:Freshwater crocodile white background.jpg|70 px]] |2={{clade |1=''Crocodylus novaeguineae'' [[New Guinea crocodile]] |2=''Crocodylus mindorensis'' [[Philippine crocodile]] }} }} |2={{clade |1=''Crocodylus porosus'' [[Saltwater crocodile]] [[File:Crocodylus porosus white background.jpg|80 px]] |2={{clade |1=''Crocodylus siamensis'' [[Siamese crocodile]] [[File:Siamese Crocodile white background.jpg|50 px]] |2=''Crocodylus palustris'' [[Mugger crocodile]] [[File:Mugger crocodile white background.jpg|70 px]] }} }} }} |label2=Africa+New World |2={{clade |1={{clade |1=''[[Crocodylus checchiai]]''{{extinct}} |2=''[[Crocodylus falconensis]]''{{extinct}} }} |2={{clade |1=''Crocodylus suchus'' [[West African crocodile]] |2={{clade |1=''Crocodylus niloticus'' [[Nile crocodile]] [[File:Nile crocodile white background.jpg|70 px]] |label2=New World |2={{clade |1={{clade |1=''Crocodylus moreletii'' [[Morelet's crocodile]] |2=''Crocodylus rhombifer'' [[Cuban crocodile]] [[File:Cuban crocodile white background.jpg|50 px]] }} |2={{clade |1=''Crocodylus intermedius'' [[Orinoco crocodile]] |2=''Crocodylus acutus'' [[American crocodile]] [[File:American crocodile white background.jpg|70 px]] }} }} }} }} }} }} }} }} }} }}
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