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Peirosauridae Temporal range: Aptian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Skull of the peirosaurid Hamadasuchus rebouli on display at the Royal Ontario Museum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Archosauria
Clade:	Pseudosuchia
Clade:	Crocodylomorpha
Clade:	Crocodyliformes
Clade:	†Notosuchia
Clade:	†Sebecosuchia
Clade:	†Sebecia
Family:	†Peirosauridae Gasparini, 1982
Genera
†Amargasuchus †Miadanasuchus †Stolokrosuchus? †Trematochampsa? †Pepesuchinae †Barreirosuchus †Caririsuchus †Itasuchus †Pepesuchus †Roxochampsa †Peirosaurinae †Antaeusuchus? †Barcinosuchus †Barrosasuchus †Bayomesasuchus †Colhuehuapisuchus †Gasparinisuchus †Hamadasuchus †Kinesuchus †Lomasuchus †Montealtosuchus †Patagosuchus †Peirosaurus †Rukwasuchus †Uberabasuchus

Peirosauridae is a Gondwanan family of mesoeucrocodylians that lived during the Cretaceous period. It was a clade of terrestrial crocodyliforms that evolved a rather dog-like skull, and were terrestrial carnivores. It was phylogenetically defined in 2004 as the most recent common ancestor of Peirosaurus and Lomasuchinae and all of its descendants. Lomasuchinae is a subfamily of peirosaurids that includes the genus Lomasuchus.

Lomasuchinae was defined in the same 2004 study as the most recent common ancestor of Lomasuchus and Mahajangasuchini and all of its descendants. Mahajangasuchini, also constructed in the study, was defined as the most recent common ancestor of Mahajangasuchus and Uberabasuchus and all of its descendants. However, all more recent phylogenetic analyses placed Mahajangasuchus within its own family, Mahajangasuchidae, along with the newly named Kaprosuchus.

Genera

The following list of genera follows Martinelli et al., 2012 unless otherwise noted.

• Antaeusuchus from the Cenomanian of Morocco.
• Barcinosuchus from the Aptian - Albian of Argentina.
• Bayomesasuchus from the Turonian - Cenomanian of Argentina.
• Barrosasuchus from the Santonian of Argentina.
• Caririsuchus from the lower Albian of Brazil.
• Colhuehuapisuchus from the Campanian- early Maastrichtian of Argentina.
• Gasparinisuchus from the Santonian - early Campanian of Argentina.
• Hamadasuchus from the Albian - Cenomanian of Morocco.
• Kinesuchus from the Santonian of Argentina.
• Lomasuchus from the Santonian of Argentina.
• Montealtosuchus from the Turonian - Santonian of Brazil.
• Patagosuchus from the Coniacian of Argentina.
• Peirosaurus from the late Maastrichtian of Brazil.
• Rukwasuchus from the Cenomanian of Tanzania.
• Uberabasuchus from the late Maastrichtian of Brazil.

References

1. ^ Carvalho, I.S.; Ribeiro, L.C.B.; Avilla, L.S. (2004). "Uberabasuchus terrificus sp. nov., a new Crocodylomorpha from the Bauru Basin (Upper Cretaceous), Brazil" (PDF). Gondwana Research. 7 (4): 975–1002. doi:10.1016/S1342-937X(05)71079-0. Archived from the original (PDF) on 2011-07-06.
2. Sereno, P. C.; Larsson, H. C. E. (2009). "Cretaceous crocodyliforms from the Sahara". ZooKeys (28): 1–143. doi:10.3897/zookeys.28.325. Archived from the original on 2010-09-21. Retrieved 2010-08-14.
3. Turner, Alan H.; Sertich, Joseph J. W. (2010). "Phylogenetic history of Simosuchus clarki (Crocodyliformes: Notosuchia) from the Late Cretaceous of Madagascar". Journal of Vertebrate Paleontology. 30 (6, Memoir 10): 177–236. doi:10.1080/02724634.2010.532348. S2CID 86737170.
4. Marco Brandalise de Andrade; Richard Edmonds; Michael J. Benton; Remmert Schouten (2011). "A new Berriasian species of Goniopholis (Mesoeucrocodylia, Neosuchia) from England, and a review of the genus". Zoological Journal of the Linnean Society. 163 (s1): S66 – S108. doi:10.1111/j.1096-3642.2011.00709.x.
5. Agustín G. Martinelli; Joseph J.W. Sertich; Alberto C. Garrido; Ángel M. Praderio (2012). "A new peirosaurid from the Upper Cretaceous of Argentina: Implications for specimens referred to Peirosaurus torminni Price (Crocodyliformes: Peirosauridae)". Cretaceous Research. 37: 191–200. doi:10.1016/j.cretres.2012.03.017.
6. 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.
7. Francisco Barrios, Ariana Paulina-Carabajal & Paula Bona (2015). "A new peirosaurid (Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Patagonia, Argentina" (PDF). Ameghiniana. 53: 14–25. doi:10.5710/AMGH.03.09.2015.2903. S2CID 131149565.
8. C. F. C. Geroto and R. J. Bertini. 2018. New material of Pepesuchus (Crocodyliformes; Mesoeucrocodylia) from the Bauru Group: implications about its phylogeny and the age of the Adamantina Formation. Zoological Journal of the Linnean Society 185(2):312-334

I. d. S. Carvalho, F. M. d. Vasconcellos, and S. A. S. Tavares. (2007). Montealtosuchus arrudacamposi, a new peirosaurid crocodile (Mesoeucrocodylia) from the Late Cretaceous Adamantina Formation of Brazil. Zootaxa 1607:35-46

External links

• Description of Uberabasuchus
• Description of Montealtosuchus

v t e Ziphosuchia
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Order: Mesoeucrocodylia Clade: Metasuchia Pseudosuchia see Pseudosuchia Ziphosuchia see below↓
Ziphosuchia Ziphosuchia Microsuchus? Sebecia Baharijodon Doratodon Trematochampsa? Wanosuchus Mahajangasuchidae Kaprosuchus Mahajangasuchus Sebecidae Ayllusuchus Barinasuchus Bergisuchus Bretesuchus Dentaneosuchus Iberosuchus Ilchunaia Langstonia Lorosuchus Ogresuchus Sahitisuchus Sebecus Zulmasuchus Peirosauridae Amargasuchus Fortignathus? Miadanasuchus Stolokrosuchus? Pepesuchinae Barreirosuchus Caririsuchus Epoidesuchus Itasuchus Pepesuchus Roxochampsa Peirosaurinae Antaeusuchus Barcinosuchus Barrosasuchus Bayomesasuchus Colhuehuapisuchus Gasparinisuchus Hamadasuchus Kinesuchus Lomasuchus Montealtosuchus Patagosuchus Peirosaurus Pepesuchus Rukwasuchus Uberabasuchus Notosuchia see below↓
Notosuchia Notosuchia Anatosuchus? Araripesuchus Comahuesuchus? Libycosuchus Razanandrongobe? Simosuchus Uruguaysuchus Candidodontidae? Candidodon Lavocatchampsa Malawisuchus Pakasuchus Xenodontosuchia Baurusuchia Chimaerasuchus Comahuesuchus? Eremosuchus? Pehuenchesuchus Razanandrongobe? Baurusuchidae Cynodontosuchus Gondwanasuchus Pabwehshi Baurusuchinae Aphaurosuchus Aplestosuchus Baurusuchus Stratiotosuchus Pissarrachampsinae Campinasuchus Pissarrachampsa Wargosuchus Sphagesauria Brasileosaurus? Coringasuchus Coronelsuchus Eptalofosuchus Notosuchidae Coronelsuchus? Llanosuchus Mariliasuchus? Notosuchus Sphagesauridae Adamantinasuchus Labidiosuchus Yacarerani Sphagesaurinae Armadillosuchus Caryonosuchus Sphagesaurus Caipirasuchinae Caipirasuchus Morrinhosuchus
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• Early Cretaceous crocodylomorphs
• Terrestrial crocodylomorphs
• Peirosaurids
• Late Cretaceous crocodylomorphs
• Early Cretaceous first appearances
• Maastrichtian extinctions
• Pseudosuchian families
• Prehistoric archosaur stubs