# Teleosauridae > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Teleosauridae > Markdown URL: https://mediated.wiki/source/Teleosauridae.md > Source: https://en.wikipedia.org/wiki/Teleosauridae > Source revision: 1355283165 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) {{Short description|Extinct family of reptiles}} {{Automatic taxobox | fossil_range = {{Fossil range|183|145}} [Toarcian](/source/Toarcian) - [Tithonian](/source/Tithonian) | image = Platysuchus multiscrobiculatus 1.JPG | image_caption = ''[Platysuchus multiscrobiculatus](/source/Platysuchus_multiscrobiculatus)'', Holzmaden Germany | display_parents = 3 | taxon = Teleosauridae | authority = [Geoffroy](/source/%C3%89tienne_Geoffroy_Saint-Hilaire), [1831](/source/1831_in_paleontology) | subdivision_ranks = Subgroups | subdivision = *{{extinct}}''[Indosinosuchus](/source/Indosinosuchus)'' *{{extinct}}''[Mystriosaurus](/source/Mystriosaurus)'' *{{extinct}}''[Seldsienean](/source/Seldsienean)''? *{{extinct}}'''Teleosaurinae''' (Geoffroy, 1831) **{{extinct}}''[Platysuchus](/source/Platysuchus)'' **{{extinct}}''[Teleosaurus](/source/Teleosaurus)'' *{{extinct}}'''Aeolodontini''' (Johnson ''et al.'', 2022) **{{extinct}}''[Aeolodon](/source/Aeolodon)'' **{{extinct}}''[Bathysuchus](/source/Bathysuchus)'' **{{extinct}}''[Mycterosuchus](/source/Mycterosuchus)'' **{{extinct}}''[Sericodon](/source/Sericodon)'' | synonyms= * Mystriosauri [Fitzinger](/source/Leopold_Fitzinger), 1843 * Mystriosauridae Fitzinger, 1843Fitzinger LJFJ. 1843. ''Systema Reptilium''. Wien: Braumüller et Seidel, 106 pp. * Steneosauridae [Owen](/source/Richard_Owen), 1843 }} '''Teleosauridae''' is a [family](/source/Family_(taxonomy)) of [extinct](/source/extinct) typically marine [crocodylomorphs](/source/crocodylomorphs) similar to the modern [gharial](/source/gharial) that lived during the [Jurassic period](/source/Jurassic_period). Teleosaurids were [thalattosuchians](/source/thalattosuchians) closely related to the fully aquatic [metriorhynchoids](/source/metriorhynchoids), but were less adapted to an open-ocean, [pelagic](/source/pelagic) lifestyle. The family was originally coined to include all the semi-aquatic (i.e. non-metriorhynchoid) thalattosuchians and was equivalent to the modern [superfamily](/source/Superfamily_(taxonomy)) [Teleosauroidea](/source/Teleosauroidea). However, as teleosauroid relationships and diversity was better studied in the 21st century, the division of teleosauroids into two distinct evolutionary lineages led to the establishment of Teleosauridae as a more restrictive family within the group, together with its sister family [Machimosauridae](/source/Machimosauridae). Amongst teleosauroids, teleosaurids were generally smaller and less common than machimosaurids, suggesting the two families occupied different [niches](/source/Ecological_niche), similar to modern species of [crocodilians](/source/crocodilians). However, teleosaurids were more diverse than machimosaurids, with generalist coastal predators (''[Mystriosaurus](/source/Mystriosaurus)''), long-snouted marine [piscivores](/source/piscivores) (''[Bathysuchus](/source/Bathysuchus)''), and potentially even long-snouted, semi-terrestrial predators (''[Teleosaurus](/source/Teleosaurus)''). Additionally, teleosaurids occupied a wider range of habitats than machimosaurids, from semi-marine coasts and estuaries, the open-ocean, freshwater, and potentially even semi-terrestrial environments.{{cite journal |last1=Johnson |first1=Michela M. |last2=Young |first2=Mark T. |last3=Brusatte |first3=Stephen L. |title=The phylogenetics of Teleosauroidea (Crocodylomorpha, Thalattosuchia) and implications for their ecology and evolution |journal=PeerJ |date=2020 |volume=8 |article-number=e9808 |doi=10.7717/peerj.9808 |pmid=33083104 |pmc=7548081 |language=en |issn=2167-8359|doi-access=free }} == Classification == Teleosauridae is [phylogenetically](/source/phylogenetics) defined in the ''[PhyloCode](/source/PhyloCode)'' by Mark T. Young and colleagues as "the largest [clade](/source/clade) within Teleosauroidea containing ''[Teleosaurus cadomensis](/source/Teleosaurus_cadomensis)'' but not ''[Machimosaurus hugii](/source/Machimosaurus_hugii)''.{{cite journal |doi=10.1093/zoolinnean/zlad165 |title=The history, systematics, and nomenclature of Thalattosuchia (Archosauria: Crocodylomorpha) |date=2024 |last1=Young |first1=Mark T. |last2=Wilberg |first2=Eric W. |last3=Johnson |first3=Michela M. |last4=Herrera |first4=Yanina |last5=De Andrade |first5=Marco Brandalise |last6=Brignon |first6=Arnaud |last7=Sachs |first7=Sven |last8=Abel |first8=Pascal |last9=Foffa |first9=Davide |last10=Fernández |first10=Marta S. |last11=Vignaud |first11=Patrick |last12=Cowgill |first12=Thomas |last13=Brusatte |first13=Stephen L. |journal=Zoological Journal of the Linnean Society |volume=200 |issue=2 |pages=547–617 |doi-access=free |hdl=20.500.11820/a60965ed-4772-40be-9e95-fc09cfe646b1 |hdl-access=free }} Teleosauridae is split into two [subfamilies](/source/subfamilies), the '''Teleosaurinae''' and the '''Aeolodontini''', the former defined in the ''PhyloCode'' as "the largest clade within Teleosauroidea containing ''Teleosaurus cadomensis'', but not ''[Aeolodon priscus](/source/Aeolodon_priscus)'' and the latter defined in the ''PhyloCode'' as "the largest clade within Teleosauroidea containing ''Aeolodon pricus'', but not ''Steneosaurus megistorhynchus'' (the genus ''[Seldsienean](/source/Seldsienean)'') and ''Teleosaurus cadomensis''. {{clade| style=font-size:85%;line-height:80% |label1=[Thalattosuchia](/source/Thalattosuchia) |1={{clade |1='''[Metriorhynchoidea](/source/Metriorhynchoidea)''' |label2=[Teleosauroidea](/source/Teleosauroidea) |2={{clade |1=''[Plagiophthalmosuchus](/source/Plagiophthalmosuchus)'' |2={{clade |1='''[Machimosauridae](/source/Machimosauridae)''' |label2='''Teleosauridae''' |2={{clade |1=''[Indosinosuchus kalasinensis](/source/Indosinosuchus)'' |2={{clade |1={{clade |1=Chinese teleosauroid |2=''[Mystriosaurus](/source/Mystriosaurus)'' }} |2={{clade |1=''[Indosinosuchus potamosiamensis](/source/Indosinosuchus)'' |2={{clade |label1='''Teleosaurinae''' |1={{clade |1=''[Teleosaurus](/source/Teleosaurus)'' |2=''[Platysuchus](/source/Platysuchus)'' }} |label2='''Aeolodontinae''' |2={{clade |1=''[Mycterosuchus](/source/Mycterosuchus)'' |2={{clade |1=''[Aeolodon](/source/Aeolodon)'' |2={{clade |1=''[Sericodon](/source/Sericodon)'' |2=''[Bathysuchus](/source/Bathysuchus)'' }} }} }} }} }} }} }} }} }} }} }} In 2024, Mark Young and colleagues recovered the genus ''[Seldsienean](/source/Seldsienean)'' as a teleosaurid and as the sister taxon to the tribe Aeolodontini. They suggested that this clade should be one of the main subfamilies of Teleosauridae, although they left this clade unnamed. {{Clade|{{clade |1='''[Machimosauridae](/source/Machimosauridae)''' |label2='''[Teleosauridae](/source/Teleosauridae)''' |2={{clade |1={{clade |1=''[Mystriosaurus laurillardi](/source/Mystriosaurus)'' |2={{clade |1=''[Indosinosuchus potamosiamensis](/source/Indosinosuchus)'' |2=Chinese teleosauroid (IVPP V 10098)}}}} |2={{clade |label1='''Teleosaurinae''' |1={{clade |1=''[Platysuchus multiscrobiculatus](/source/Platysuchus)'' |2=''[Teleosaurus cadomensis](/source/Teleosaurus)''}} |label2="Unnamed clade" |2={{clade |1=''[Seldsienean megistorhynchus](/source/Seldsienean)'' |label2='''Aeolodontini''' |2={{clade |1=''[Mycterosuchus nasutus](/source/Mycterosuchus)'' |2={{clade |1=''[Aeolodon priscus](/source/Aeolodon)'' |2={{clade |1=''[Sericodon jugleri](/source/Sericodon)'' |2=''[Bathysuchus megarhinus](/source/Bathysuchus)'' }}}}}}}}}}}}}}|label1='''Teleosauroidea'''}} == Palaeobiology == Teleosaurids were originally regarded as marine analogues to modern [gharials](/source/gharials), as they both typically share long, tubular snouts and narrow teeth. However, differences in the jaws, teeth, and skeleton of different teleosaurids suggest that they were more ecologically diverse than this. Earlier teleosaurids were coastal semi-aquatic generalists, while the two subfamilies were more specialised. Teleosaurines appear to have been semi-terrestrial, as they were more heavily armoured and had forward-facing nostrils. In contrast, aeolodontines have been found in deep marine waters and had reduced armour, implying that they were open water predators similar to metriorhynchoids (although the oldest aeolodontine, ''[Mycterosuchus](/source/Mycterosuchus)'', appears to have been semi-terrestrial, similar to teleosaurines).{{cite journal |last1=Foffa |first1=D. |last2=Johnson |first2=M.M. |last3=Young|first3=M.T. |last4=Steel |first4=L. |last5=Brusatte |first5=S.L. |date=2019 |title=Revision of the Late Jurassic deep-water teleosauroid crocodylomorph ''Teleosaurus megarhinus'' Hulke, 1871 and evidence of pelagic adaptations in Teleosauroidea. |journal=[PeerJ](/source/PeerJ) |volume=7 |article-number=e6646 |doi=10.7717/peerj.6646 |pmid=30972249 |pmc=6450380 |doi-access=free }} == Palaeoecology == === Distribution === Definitive fossils of teleosaurids are restricted to Laurasia, with material found in [Europe](/source/Europe)([England](/source/England), [France](/source/France), [Germany](/source/Germany), [Italy](/source/Italy), [Portugal](/source/Portugal), [Russia](/source/Russia) and [Switzerland](/source/Switzerland)) and Asia ([China](/source/China) and [Thailand](/source/Thailand), and possibly [India](/source/India)). ==See also== *[List of marine reptiles](/source/List_of_marine_reptiles) ==References== {{Reflist}} {{Portalbar|Paleontology}} {{Thalattosuchia}} {{Taxonbar|from=Q1569648}} {{Authority control}} Category:Thalattosuchia Category:Pseudosuchian families Category:Jurassic crocodylomorphs Category:Prehistoric marine crocodylomorphs Category:Toarcian first appearances Category:Hauterivian extinctions --- Adapted from the Wikipedia article [Teleosauridae](https://en.wikipedia.org/wiki/Teleosauridae) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Teleosauridae?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.