Peirosauridae

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 form, 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.[1]

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
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	†Ziphosuchia
Family:	†Peirosauridae Gasparini, 1982

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.[1] However, all more recent phylogenetic analyses placed Mahajangasuchus within its own family, Mahajangasuchidae, along with the newly named Kaprosuchus.[2][3][4]

Genera

The following list of genera follows Martinelli et al., 2012 unless otherwise noted.[5]

• Barcinosuchus from the Aptian - Albian of Argentina.
• Bayomesasuchus from the Turonian - Cenomanian of Argentina.[6]
• Barrosasuchus from the Santonian of Argentina.
• Caririsuchus from the lower Albian of Brazil[7].
• 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 (2009): 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.
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. in press: 191–200. doi:10.1016/j.cretres.2012.03.017.
6. Francisco Barrios, Ariana Paulina-Carabajal & Paula Bona (2015). "A new peirosaurid (Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Patagonia, Argentina" (PDF). Ameghiniana. in press: 14–25. doi:10.5710/AMGH.03.09.2015.2903.
7. 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

External links

• Description of Uberabasuchus
• Description of Montealtosuchus