# Neosuchia > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Neosuchia > Markdown URL: https://mediated.wiki/source/Neosuchia.md > Source: https://en.wikipedia.org/wiki/Neosuchia > Source revision: 1346384438 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) {{Short description|Clade of reptiles}} {{Automatic taxobox | fossil_range = [Early Jurassic](/source/Early_Jurassic) - Recent, {{fossil range|196.5|0}} | image = Nilecroc100.jpg | image_caption = ''[Crocodylus niloticus](/source/Crocodylus_niloticus)'', a modern [crocodylid](/source/crocodylid) | image2 = Museum_of_Natural_History_Sarcosuchus.jpg | image2_caption = ''[Sarcosuchus imperator](/source/Sarcosuchus_imperator)'', a [pholidosaurid](/source/pholidosaurid) from [North Africa](/source/North_Africa) in the [Early Cretaceous](/source/Early_Cretaceous) | taxon = Neosuchia | authority = Benton & Clark, 1988 | subdivision_ranks = Subgroups | subdivision = *†''[Burkesuchus](/source/Burkesuchus)'' *†''[Gilchristosuchus](/source/Gilchristosuchus)'' *†''[Isisfordia](/source/Isisfordia)'' *†''[Karatausuchus](/source/Karatausuchus)'' *†''[Khoratosuchus](/source/Khoratosuchus)'' *†''[Montsecosuchus](/source/Montsecosuchus)'' *†''[Paluxysuchus](/source/Paluxysuchus)'' *†''[Stolokrosuchus](/source/Stolokrosuchus)''? *†''[Susisuchus](/source/Susisuchus)'' *†''[Tadzhikosuchus](/source/Tadzhikosuchus)'' *†''[Wahasuchus](/source/Wahasuchus)''? *†'''[Atoposauridae](/source/Atoposauridae)''' *†'''[Bernissartiidae](/source/Bernissartiidae)''' *†'''[Goniopholididae](/source/Goniopholididae)''' *†'''[Paralligatoridae](/source/Paralligatoridae)''' *†'''[Stomatosuchidae](/source/Stomatosuchidae)''' *†'''[Tethysuchia](/source/Tethysuchia)''' *†'''[Thalattosuchia](/source/Thalattosuchia)'''? *†'''[Wannchampsidae](/source/Wannchampsidae)''' *'''[Eusuchia](/source/Eusuchia)''' (includes [crocodylians](/source/crocodylians)) }} '''Neosuchia''' is a [clade](/source/clade) within [Mesoeucrocodylia](/source/Mesoeucrocodylia) that includes all modern extant [crocodilia](/source/crocodilia)ns and their closest fossil relatives.{{cite journal |last1=Wilson |first1=J. A. |last2=Malkani |first2=M. S. |last3=Gingerich |first3=P. D. |year=2001 |title=New crocodyliform (Reptilia, Mesoeucrocodylia) from the Upper Cretaceous Pab Formation of Vitakri, Balochistan (Pakistan) |journal=Contributions from the Museum of Paleontology, University of Michigan |volume=30 |issue=12 |pages=321–336 |url=http://deepblue.lib.umich.edu/bitstream/2027.42/48662/2/ID529.pdf |access-date=2009-11-02}} It is defined as the most inclusive clade containing all [crocodylomorphs](/source/Crocodylomorpha) more closely related to ''[Crocodylus niloticus](/source/Crocodylus_niloticus)'' (the [Nile Crocodile](/source/Nile_Crocodile)) than to ''[Notosuchus terrestris](/source/Notosuchus_terrestris)''.{{cite journal |last1=Larsson |first1=H. C. E. |last2=Sidor |first2=C. A. |author-link2=Cristian Sidor |last3=Gado |first3=B. |year=2001 |title=The giant crocodyliform ''Sarcosuchus'' from the Cretaceous of Africa |journal=[Science](/source/Science_(journal)) |volume=294 |issue=5546 |pages=1516–1519 |url=http://iris.nyit.edu/nycom/Faculty/Profiles/Sidor/Sarcosuchus.pdf |access-date=2009-11-02 |doi=10.1126/science.1066521 |pmid=11679634 |last4=Gado |first4=B |bibcode=2001Sci...294.1516S |s2cid=22956704 |archive-date=2012-03-14 |archive-url=https://web.archive.org/web/20120314191603/http://iris.nyit.edu/nycom/Faculty/Profiles/Sidor/Sarcosuchus.pdf |url-status=dead }} Members of Neosuchia generally share a crocodilian-like bodyform adapted to freshwater aquatic life, as opposed to the terrestrial habits of more basal crocodylomorph groups.{{Cite journal|last1=Wilberg|first1=Eric W.|last2=Turner|first2=Alan H.|last3=Brochu|first3=Christopher A.|date=2019-01-24|title=Evolutionary structure and timing of major habitat shifts in Crocodylomorpha|url=|journal=Scientific Reports|language=en|volume=9|issue=1|pages=514|bibcode=2019NatSR...9..514W|doi=10.1038/s41598-018-36795-1|issn=2045-2322|pmc=6346023|pmid=30679529}} The earliest neosuchian is suggested to be the [Early Jurassic](/source/Early_Jurassic) ''[Calsoyasuchus](/source/Calsoyasuchus)'', which lived during the [Sinemurian](/source/Sinemurian) and [Pliensbachian](/source/Pliensbachian) stages in North America. It is often identified as a member of [Goniopholididae](/source/Goniopholididae),{{cite journal |last1=Tykoski |first1=R. S. |last2=Rowe |first2=T. B. |last3=Ketcham |first3=R. A. |last4=Colbert |first4=M. W. |year=2002 |title=''Calsoyasuchus valliceps'', a new crocodyliform from the Early Jurassic Kayenta Formation of Arizona |journal=[Journal of Vertebrate Paleontology](/source/Journal_of_Vertebrate_Paleontology) |volume=22 |issue=3 |pages=593–611 |url=http://digimorph.org/specimens/Calsoyasuchusvalliceps/calsoyas.pdf |access-date=2009-11-02 |doi=10.1671/0272-4634(2002)022[0593:CVANCF]2.0.CO;2}} though this is disputed, and the taxon may lie outside Neosuchia, which places the earliest records of the group in the Middle Jurassic. ==Characteristics== [[File:Siamosuchus phuphokensis.png|thumb|Life restoration of ''[Siamosuchus](/source/Siamosuchus)'', a member of [Goniopholididae](/source/Goniopholididae)]] Members of Neosuchia have a wide diversity of skull shapes. Several groups convergently evolved elongate gharial-like skulls, which makes determining phylogenetic relationships of these taxa problematic.{{Cite journal |last1=Groh |first1=Sebastian S |last2=Upchurch |first2=Paul |last3=Barrett |first3=Paul M |last4=Day |first4=Julia J |date=2019-10-19 |title=The phylogenetic relationships of neosuchian crocodiles and their implications for the convergent evolution of the longirostrine condition |journal=Zoological Journal of the Linnean Society |article-number=zlz117 |language=en |doi=10.1093/zoolinnean/zlz117 |issn=0024-4082|doi-access=free }} ==Phylogeny== Cladogram from Groh et al. 2022:{{Cite journal |last1=Groh |first1=Sebastian S. |last2=Upchurch |first2=Paul |last3=Barrett |first3=Paul M. |last4=Day |first4=Julia J. |date=March 2022 |editor-last=Benson |editor-first=Roger |title=How to date a crocodile: estimation of neosuchian clade ages and a comparison of four time-scaling methods |url=https://onlinelibrary.wiley.com/doi/10.1111/pala.12589 |journal=Palaeontology |language=en |volume=65 |issue=2 |article-number=e12589 |doi=10.1111/pala.12589 |bibcode=2022Palgy..6512589G |issn=0031-0239|doi-access=free }}{{clade |label1='''Neosuchia''' |1={{clade |1=†''[Alligatorellus](/source/Alligatorellus)'' |2={{clade |1=†''[Alligatorium](/source/Alligatorium)'' |2={{clade |1=†[Atoposauridae](/source/Atoposauridae) 120px |2={{clade |1=†[Tethysuchia](/source/Tethysuchia) 100px |2={{clade |1=†[Goniopholididae](/source/Goniopholididae) 120px |2={{clade |1={{clade |1=†''[Koumpiodontosuchus](/source/Koumpiodontosuchus)'' |2=†[Paralligatoridae](/source/Paralligatoridae) 120px }} |2={{clade |1={{clade |1=†''[Susisuchus](/source/Susisuchus)'' |2=†''[Isisfordia](/source/Isisfordia)'' 120px }} |2=[Eusuchia](/source/Eusuchia) 120px }}}}}}}}}}}}}}}} ==References== {{Reflist}} ==External links== * [https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=93883 Neosuchia] in the [Paleobiology Database](/source/Paleobiology_Database) {{Pseudosuchia|N.|state=autocollapse}} {{Neosuchia|N.|state=autocollapse}} {{Taxonbar|from=Q3042061}} Category:Jurassic crocodylomorphs Category:Cretaceous crocodylomorphs Category:Paleogene crocodylomorphs Category:Neogene crocodylomorphs Category:Extant Early Jurassic first appearances Category:Neosuchia --- Adapted from the Wikipedia article [Neosuchia](https://en.wikipedia.org/wiki/Neosuchia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Neosuchia?action=history)). 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