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{{Short description|Extinct family of reptiles}}
{{Automatic taxobox
{{Automatic taxobox
| fossil_range = {{fossil range|95|66}} [[Cenomanian]] - [[Maastrichtian]]
| name = Mahajangasuchidae
| image = Mahajangasuchus_BW.jpg
| image = Mahajangasuchus_BW.jpg
| image_width = 250px
| image_upright = 1.15
| image_caption = ''[[Mahajangasuchus|Mahajangasuchus insignis]]''
| image_caption = ''[[Mahajangasuchus|Mahajangasuchus insignis]]''
| taxon = Mahajangasuchidae
| fossil_range = {{fossil range|95|65}} [[Cenomanian]] - [[Maastrichtian]]
| authority = Sereno and Larsson, [[2009 in paleontology|2009]]
| authority = Sereno and Larsson, [[2009 in paleontology|2009]]<ref name="SL09" />
| subdivision_ranks = [[Genera]]
| subdivision_ranks = Genera
| subdivision =
| subdivision =
*''[[Kaprosuchus]]''
*''[[Kaprosuchus]]''
Line 12: Line 13:
}}
}}


'''Mahajangasuchidae''' is an extinct [[family (biology)|family]] of [[neosuchia]]n [[crocodyliform]]s. It currently contains two genera, ''[[Mahajangasuchus]]'' and ''[[Kaprosuchus]]'', both of which lived during the [[Late Cretaceous]] in [[Gondwana]]. It is defined as the most inclusive clade containing ''Mahajangasuchus insignis'' but not ''[[Notosuchus|Notosuchus terrestris]]'', ''[[Simosuchus|Simosuchus clarki]]'', ''[[Araripesuchus|Araripesuchus gomesii]]'', ''[[Baurusuchus|Baurusuchus pachecoi]]'', ''[[Peirosaurus| Peirosaurus torminni]]'', ''[[Goniopholis|Goniopholis crassidens]]'',
'''Mahajangasuchidae''' is an extinct [[family (biology)|family]] of [[notosuchia]]n<ref name=2014Notosuchians>{{Cite journal | doi = 10.1371/journal.pone.0093105| pmid = 24695105| title = A New Notosuchian from the Late Cretaceous of Brazil and the Phylogeny of Advanced Notosuchians| journal = PLOS ONE| volume = 9| issue = 4| pages = e93105| year = 2014| last1 = Pol | first1 = D. | last2 = Nascimento | first2 = P. M. | last3 = Carvalho | first3 = A. B. | last4 = Riccomini | first4 = C. | last5 = Pires-Domingues | first5 = R. A. | last6 = Zaher | first6 = H. | pmc=3973723| bibcode = 2014PLoSO...993105P| doi-access = free}}</ref><ref name=Nicholl2021>{{cite journal | vauthors = Nicholl CS, Hunt ES, Ouarhache D, Mannion PD | url = https://royalsocietypublishing.org/doi/10.1098/rsos.211254 | title = A second peirosaurid crocodyliform from the Mid-Cretaceous Kem Kem Group of Morocco and the diversity of Gondwanan notosuchians outside South America | journal = Royal Society Open Science | volume = 8 | issue = 10 | pages = Article ID 211254 | year = 2021 | pmid=34659786|doi = 10.1098/rsos.211254 | pmc = 8511751 | doi-access = free }}</ref> [[crocodyliform]]s. It currently contains two genera, ''[[Mahajangasuchus]]'' and ''[[Kaprosuchus]]'', both of which lived during the [[Late Cretaceous]] in [[Gondwana]]. It is defined as the most inclusive clade containing ''Mahajangasuchus insignis'' but not ''[[Notosuchus|Notosuchus terrestris]]'', ''[[Simosuchus|Simosuchus clarki]]'', ''[[Araripesuchus|Araripesuchus gomesii]]'', ''[[Baurusuchus|Baurusuchus pachecoi]]'', ''[[Peirosaurus| Peirosaurus torminni]]'', ''[[Goniopholis|Goniopholis crassidens]]'',
''[[Pholidosaurus|Pholidosaurus schaumbergensis]]'', or ''[[Crocodylus niloticus]]''.<ref name=SL09>{{cite journal |last=Sereno |first=P. C. |coauthors=and Larsson, H. C. E. |year=2009 |title=[http://pensoftonline.net/zookeys/index.php/journal/article/view/325 Cretaceous crocodyliforms from the Sahara] |journal=ZooKeys |volume=28 |issue=2009 |pages=1–143}}</ref> Phyogenetically, Mahajangasuchidae is placed just outside [[Pholidosauridae|pholidosaurids]] and more derived neosuchians.
''[[Pholidosaurus|Pholidosaurus schaumbergensis]]'', or ''[[Crocodylus niloticus]]''.<ref name="SL09">{{Cite journal |last1=Sereno |first1=Paul |last2=Larsson |first2=Hans |date=2009-11-19 |title=Cretaceous Crocodyliforms from the Sahara |journal=ZooKeys |issue=28 |pages=1–143 |doi=10.3897/zookeys.28.325 |issn=1313-2970|doi-access=free }}</ref> Phylogenetically, Mahajangasuchidae is placed just outside [[Pholidosauridae|pholidosaurids]] and more derived [[neosuchia]]ns.<ref name=Nicholl2021/>
[[Image:Kaprosuchus 2.jpg|thumb|left|200px|Skull of ''[[Kaprosuchus|Kaprosuchus saharicus]]'']]
Defining characters of the family include fused [[nasal bone|nasals]], a jaw articulation below the posterior [[maxilla]]ry tooth row, a deep mandibular symphysis that is oriented anterodorsally, and the formation of a hornlike posterodorsal process from the [[squamosal]] and [[parietal]] (which is much more pronounced in ''Kaprosuchus'').


Defining characters of the family include fused [[nasal bone|nasals]], a jaw articulation below the posterior [[maxilla]]ry tooth row, a deep mandibular symphysis that is oriented anterodorsally, and the formation of a hornlike posterodorsal process from the [[squamosal]] and [[:wikt:parietal|parietal]] (which is much more pronounced in ''Kaprosuchus'').
[[Cladogram]] showing the phylogenetic relationship of Mahajangasuchidae within Neosuchia after Sereno and Larsson, 2009:<ref name=SL09/>

== Phylogeny ==
[[Image:Kaprosuchus 2.jpg|thumb|right|200px|Skull of ''[[Kaprosuchus|Kaprosuchus saharicus]]'']]
[[Cladogram]] showing the phylogenetic relationship of Mahajangasuchidae within Neosuchia after Sereno and Larsson, 2009:<ref name=SL09/>


{{clade| style=font-size:100%;line-height:80%
{{clade| style=font-size:100%;line-height:80%
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|1={{clade
|1={{clade
|1=[[Sebecia]]
|1=[[Sebecia]]
|label2=<font color="white">unnamed</font>
|label2=<span style="color:white;">unnamed</span>
|2={{clade
|2={{clade
|label1=&nbsp;'''Mahajangasuchidae'''&nbsp;
|label1=&nbsp;'''Mahajangasuchidae'''&nbsp;
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|1=''[[Mahajangasuchus]]''
|1=''[[Mahajangasuchus]]''
|2=''[[Kaprosuchus]]''}}
|2=''[[Kaprosuchus]]''}}
|label2=<font color="white">unnamed</font>
|label2=<span style="color:white;">unnamed</span>
|2={{clade
|2={{clade
|1=[[Pholidosauridae]]
|1=[[Pholidosauridae]]
|label2=<font color="white">unnamed</font>
|label2=<span style="color:white;">unnamed</span>
|2={{clade
|2={{clade
|1=''[[Laganosuchus]]''
|1=''[[Laganosuchus]]''
|label2=<font color="white">unnamed</font>
|label2=<span style="color:white;">unnamed</span>
|2={{clade
|2={{clade
|1=''[[Bernissartia]]''
|1=''[[Bernissartia]]''
|label2=<font color="white">unnamed</font>
|label2=<span style="color:white;">unnamed</span>
|2={{clade
|2={{clade
|1=''[[Isisfordia]]''
|1=''[[Isisfordia]]''
|2=[[Crocodylia]]
|2=[[Crocodylia]]
}} }} }} }} }} }} }}
}} }} }} }} }} }} }}


In 2014, Mahajangasuchidae were grouped within [[Notosuchia]]:<ref name=2014Notosuchians/>
==References==
{{reflist}}


{{clade| style=font-size:80%;line-height:80%
==External links==
|label1='''[[Notosuchia]]'''
*[http://zoobank.org/?lsid=urn:lsid:zoobank.org:act:6C28D343-821D-4CF6-B293-F12EDBB59B15 ZooBank]
|1={{clade
|1={{clade
|1={{clade
|label1=[[Uruguaysuchidae]]
|1={{clade
|1=''[[Araripesuchus tsangatsangana]]''
|2={{clade
|1=''[[Anatosuchus]]''
|2=''[[Araripesuchus wegeneri]]''}}
|3={{clade
|1=''[[Araripesuchus buitreraensis]]''
|2={{clade
|1=''[[Araripesuchus gomesii]]''
|2={{clade
|1=''[[Araripesuchus patagonicus]]''
|2=''[[Uruguaysuchus]]''}} }} }} }}
|2={{clade
|1=''[[Stolokrosuchus]]''
|2={{clade
|label1='''Mahajangasuchidae'''
|1={{clade
|1=''[[Kaprosuchus]]''
|2=''[[Mahajangasuchus]]''}}
|label2=[[Peirosauridae]]
|2={{clade
|1=''[[Hamadasuchus]]''
|2={{clade
|1=''[[Gasparinisuchus]]''
|2=''[[Lomasuchus]]''
|3=''[[Montealtosuchus]]''
|4=''[[Uberabasuchus]]''}} }} }} }} }}
|2={{clade
|1=''[[Candidodon]]''
|label2=[[Ziphosuchia]]
|2={{clade
|1=''[[Libycosuchus]]''
|2={{clade
|1=''[[Simosuchus]]''
|2={{clade
|1={{clade
|1=''[[Malawisuchus]]''
|2=''[[Pakasuchus]]''}}
|2={{clade
|1={{clade
|1=''[[Morrinhosuchus]]''
|2={{clade
|1=''[[Notosuchus]]''
|2={{clade
|1=''[[Coringasuchus]]''
|2=''[[Labidiosuchus]]''
|3=''[[Mariliasuchus]]''
|label4=[[Sphagesauridae]]
|4={{clade
|1={{clade
|1=''[[Adamantinasuchus]]''
|2=''[[Yacarerani]]''}}
|2={{clade
|1={{clade
|1=''[[Caipirasuchus stenognathus]]''
|2={{clade
|1=''[[Caipirasuchus paulistanus]]''
|2=''[[Caipirasuchus montealtensis]]''}} }}
|2={{clade
|1=''[[Sphagesaurus]]''
|2={{clade
|1=''[[Armadillosuchus]]''
|2=''[[Caryonosuchus]]''}} }} }} }} }} }} }}
|2={{clade
|1=''[[Chimaerasuchus]]''
|2={{clade
|1=''[[Comahuesuchus]]''
|label2=[[Sebecosuchia]]
|2={{clade
|1=''[[Pabwehshi]]''
|label2=[[Baurusuchidae]]
|2={{clade
|1=''[[Cynodontosuchus]]''
|2={{clade
|1=''[[Pissarrachampsa]]''
|2={{clade
|1=''[[Stratiotosuchus]]''
|2={{clade
|1=''[[Campinasuchus]]''
|2={{clade
|1=''[[Baurusuchus albertoi]]''
|2={{clade
|1=''[[Baurusuchus pachecoi]]''
|2=''[[Baurusuchus salgadoensis]]''}} }} }} }} }} }}
|4={{clade
|1={{clade
|1=''[[Bergisuchus]]''
|2=''[[Iberosuchus]]''}}
|label2=[[Sebecidae]]
|2={{clade
|1={{clade
|1=''[[Lorosuchus]]''
|2=''[[Pehuenchesuchus]]''}}
|2={{clade
|1=''[[Barinasuchus]]''
|2={{clade
|1={{clade
|1=''[[Ayllusuchus]]''
|2=''[[Bretesuchus]]'' }}
|2={{clade
|1=Lumbrera form
|2=''[[Langstonia]]''
|3=''[[Sebecus]]''
|4=''[[Zulmasuchus]]'' }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }}


The cladogram following by Nicholl et al. 2021:<ref name=Nicholl2021/>
{{Mesoeucrocodylia}}


{{clade| style=font-size:80%;line-height:80%
{{portal|Paleontology}}
|label1='''[[Notosuchia]]'''
|1={{clade
|1={{clade
|label1=[[Uruguaysuchidae]]
|1={{clade
|1=''[[Araripesuchus tsangatsangana]]''
|2={{clade
|1=''[[Anatosuchus]]''
|2=''[[Araripesuchus wegeneri]]''}}
|3={{clade
|1=''[[Araripesuchus buitreraensis]]''
|2={{clade
|1=''[[Araripesuchus gomesii]]''
|2={{clade
|1=''[[Araripesuchus patagonicus]]''
|2=''[[Uruguaysuchus]]''}} }} }} }}
|2={{clade
|label1='''Mahajangasuchidae'''
|1={{clade
|1=''[[Kaprosuchus]]''
|2=''[[Mahajangasuchus]]''}}
|label2=[[Peirosauridae]]
|2={{clade
|1=''[[Stolokrosuchus]]''
|2={{clade
|1={{clade
|1=''[[Bayomesasuchus]]''
|2={{clade
|1=''[[Hamadasuchus]]''
|2=''[[Antaeusuchus]]''}}}}
|2={{clade
|1={{clade
|1=''[[Miadanasuchus]]''
|2=''[[Barrosasuchus]]''}}
|2={{clade
|1=''[[Gasparinisuchus]]''
|2=''[[Rukwasuchus]]''
|3={{clade
|1=''[[Uberabasuchus]]''
|2={{clade
|1=''[[Lomasuchus]]''
|2=''[[Montealtosuchus]]''}}}}}}}}}}}}}}}}
|2={{clade
|1=''[[Candidodon]]''
|label2=[[Ziphosuchia]]
|2={{clade
|1=''[[Libycosuchus]]''
|2={{clade
|1=''[[Simosuchus]]''
|2={{clade
|1=''[[Neuquensuchus]]''
|2={{clade
|1=''[[Pakasuchus]]''
|2=''[[Malawisuchus]]''}}
|label3=[[Xenodontosuchia]]
|3={{clade
|label1=[[Sphagesauria]]
|1={{clade
|1=''[[Morrinhosuchus]]''
|2={{clade
|1={{clade
|1=''[[Llanosuchus]]''
|2=''[[Notosuchus]]''}}
|2={{clade
|1=''[[Labidiosuchus]]''
|2=''[[Mariliasuchus]]''
|label3=[[Sphagesauridae]]
|3={{clade
|1={{clade
|1=''[[Adamantinasuchus]]''
|2=''[[Yacarerani]]''}}
|2={{clade
|1=''[[Caipirasuchus]]''
|2={{clade
|1=''[[Sphagesaurus]]''
|2={{clade
|1=''[[Caryonosuchus]]''
|2=''[[Armadillosuchus]]''}}}}}}}}}}}}}}
|2={{clade
|1=''[[Chimaerasuchus]]''
|2={{clade
|1=''[[Comahuesuchus]]''
|2=''[[Razanandrongobe]]''
|label3=[[Sebecosuchia]]
|3={{clade
|label1=[[Baurusuchidae]]
|1={{clade
|1=''[[Cynodontosuchus]]''
|2={{clade
|1=''[[Pissarrachampsa]]''
|2=''[[Campinasuchus]]''
|3={{clade
|1=''[[Stratiosuchus]]''
|2=''[[Baurusuchus]]''}}}}}}
|2={{clade
|1={{clade
|1=''[[Bergisuchus]]''
|2=''[[Iberosuchus]]''}}
|label2=[[Sebecidae]]
|2={{clade
|1={{clade
|1=''[[Ayllusuchus]]''
|2=''[[Bretesuchus]]''}}
|2={{clade
|1=''[[Barinasuchus]]''
|2={{clade
|1=''[[Ogresuchus]]''
|2=''[[Sebecus]]''}}}}}}}}}}}}}}}}}}}}}}}}}}}}


==See also==
{{archosaur-stub}}
* [[Sebecosuchia]] - another group of terrestrial crocodylomorphs.
{{paleo-reptile-stub}}


==References==
[[Category:Terrestrial crocodiles]]
{{Reflist}}
[[Category:Cretaceous crocodylomorpha]]

{{Portal|Paleontology}}
{{Notosuchia|S.}}
{{Taxonbar|from=Q5242472}}

[[Category:Terrestrial crocodylomorphs]]
[[Category:Late Cretaceous crocodylomorphs]]
[[Category:Prehistoric reptiles of Africa]]
[[Category:Prehistoric reptiles of Africa]]
[[Category:Notosuchians]]
[[Category:Cenomanian first appearances]]
[[Category:Maastrichtian extinctions]]
[[Category:Pseudosuchian families]]



{{paleo-archosaur-stub}}
[[pl:Mahajangasuchidae]]

Latest revision as of 17:12, 18 June 2024

Mahajangasuchidae
Temporal range: 95–66 Ma Cenomanian - Maastrichtian
Mahajangasuchus insignis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauria
Clade: Pseudosuchia
Clade: Crocodylomorpha
Clade: Crocodyliformes
Clade: Metasuchia
Family: Mahajangasuchidae
Sereno and Larsson, 2009[1]
Genera

Mahajangasuchidae is an extinct family of notosuchian[2][3] crocodyliforms. It currently contains two genera, Mahajangasuchus and Kaprosuchus, both of which lived during the Late Cretaceous in Gondwana. It is defined as the most inclusive clade containing Mahajangasuchus insignis but not Notosuchus terrestris, Simosuchus clarki, Araripesuchus gomesii, Baurusuchus pachecoi, Peirosaurus torminni, Goniopholis crassidens, Pholidosaurus schaumbergensis, or Crocodylus niloticus.[1] Phylogenetically, Mahajangasuchidae is placed just outside pholidosaurids and more derived neosuchians.[3]

Defining characters of the family include fused nasals, a jaw articulation below the posterior maxillary tooth row, a deep mandibular symphysis that is oriented anterodorsally, and the formation of a hornlike posterodorsal process from the squamosal and parietal (which is much more pronounced in Kaprosuchus).

Phylogeny

[edit]
Skull of Kaprosuchus saharicus

Cladogram showing the phylogenetic relationship of Mahajangasuchidae within Neosuchia after Sereno and Larsson, 2009:[1]

Neosuchia 

Sebecia

unnamed
 Mahajangasuchidae 
unnamed

In 2014, Mahajangasuchidae were grouped within Notosuchia:[2]

The cladogram following by Nicholl et al. 2021:[3]

See also

[edit]
  • Sebecosuchia - another group of terrestrial crocodylomorphs.

References

[edit]
  1. ^ a b c Sereno, Paul; Larsson, Hans (2009-11-19). "Cretaceous Crocodyliforms from the Sahara". ZooKeys (28): 1–143. doi:10.3897/zookeys.28.325. ISSN 1313-2970.
  2. ^ a b Pol, D.; Nascimento, P. M.; Carvalho, A. B.; Riccomini, C.; Pires-Domingues, R. A.; Zaher, H. (2014). "A New Notosuchian from the Late Cretaceous of Brazil and the Phylogeny of Advanced Notosuchians". PLOS ONE. 9 (4): e93105. Bibcode:2014PLoSO...993105P. doi:10.1371/journal.pone.0093105. PMC 3973723. PMID 24695105.
  3. ^ a b c Nicholl CS, Hunt ES, Ouarhache D, Mannion PD (2021). "A second peirosaurid crocodyliform from the Mid-Cretaceous Kem Kem Group of Morocco and the diversity of Gondwanan notosuchians outside South America". Royal Society Open Science. 8 (10): Article ID 211254. doi:10.1098/rsos.211254. PMC 8511751. PMID 34659786.