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Peirosauria

Osteichthyes

Taxonomy
Peirosauria was named by Leardi et al. (2024).

It was assigned to Mesoeucrocodylia by Novas et al. (2025).

Subtaxa
Peirosauridae
Sister taxa
Peirosauridae

Synonymy list
YearName and author
2024Peirosauria Leardi and et al
2025Peirosauria Novas et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
—Solidocrania
suborderCrocodyliformes
—MesoeucrocodyliaWhetstone and Whybrow 1983
—PeirosauriaLeardi et al. 2024
—PeirosauriaLeardi et al. 2024

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Unr. †Peirosauria Leardi 2024
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Unr. †Peirosauridae Gasparini 1982
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G. †Amargasuchus Chiappe 1988 [Amarga crocodile]
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†Amargasuchus minor Chiappe 1988
G. †Barcinosuchus Leardi and Pol 2009
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†Barcinosuchus gradilis Leardi and Pol 2009
G. †Barrosasuchus Coria et al. 2019
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†Barrosasuchus neuquenianus Coria et al. 2019
G. †Bayomesasuchus Barrios et al. 2016
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†Bayomesasuchus hernandezi Barrios et al. 2016
G. †Fortignathus Young et al. 2016
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†Fortignathus felixi de Lapparent de Broin 2002
G. †Gasparinisuchus Martinelli et al. 2012
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†Gasparinisuchus peirosauroides Martinelli et al. 2012
G. †Hamadasuchus Buffetaut 1994
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†Hamadasuchus rebouli Buffetaut 1994
G. †Kinesuchus Filippi et al. 2018
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†Kinesuchus overoi Filippi et al. 2018
G. †Kostensuchus Novas et al. 2025
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†Kostensuchus atrox Novas et al. 2025
Subfm. †Lomasuchinae Carvalho et al. 2004
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Invalid names: Mahajangasuchini Carvalho et al. 2004 [empty]
G. †Lomasuchus Gasparini et al. 1991
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†Lomasuchus palpebrosus Gasparini et al. 1991
G. †Miadanasuchus Rasmusson Simons and Buckley 2009
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†Miadanasuchus oblita Buffetaut and Taquet 1979
G. †Montealtosuchus Carvalho et al. 2007
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†Montealtosuchus arrudacamposi Carvalho et al. 2007
G. †Patagosuchus Lio et al. 2016
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†Patagosuchus anielensis Lio et al. 2016
Subfm. †Peirosaurinae Geroto and Bertini 2019
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G. †Peirosaurus Price 1955
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†Peirosaurus torminni Price 1955
Subfm. †Pepesuchinae Geroto and Bertini 2019
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G. †Caririsuchus Kellner 1987
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†Caririsuchus camposi Kellner 1987
G. †Epoidesuchus Ruiz et al. 2024
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†Epoidesuchus tavaresae Ruiz et al. 2024
G. †Pepesuchus Campos et al. 2011
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†Pepesuchus deiseae Campos et al. 2011
G. †Rukwasuchus Sertich and O'Connor 2014
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†Rukwasuchus yajabalijekundu Sertich and O'Connor 2014
G. †Stolokrosuchus Larsson and Gado 2000
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†Stolokrosuchus lapparenti Larsson and Gado 2000
G. †Uberabasuchus Carvalho et al. 2004 [Uberaba crocodile]
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†Uberabasuchus terrificus Carvalho et al. 2004
Invalid names: Trematochampsidae Buffetaut 1974 [invalid subgroup]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marineuc
Locomotion: actively mobilec
Life habit: planktonicp
Diet: carnivoresubo
Created: 2017-04-17 10:39:01
Modified: 2017-04-17 10:39:01
Source: subo = suborder, c = class, subp = subphylum, p = phylum, uc = unranked clade
References: Carroll 1988, Kiessling 2004, Benton 1983, Hendy et al. 2009, Bambach et al. 2007, Bush and Bambach 2015

Age range: base of the Barremian to the top of the Early/Lower Maastrichtian or 125.77000 to 66.00000 Ma

Collections (43 total)


Time interval Ma Country or state Original ID and collection number
Barremian125.77 - 121.4Argentina (Neuquén) Amargasuchus minor (13333)
Aptian - Albian121.4 - 100.5Niger (Agadez) Stolokrosuchus lapparenti (118039)
Late/Upper Aptian119.57 - 113.2Brazil (Ceará) Caririsuchus camposi (92290)
Albian113.2 - 100.5Argentina (Chubut) Barcinosuchus gradilis (94608)
Albian113.2 - 100.5Niger (Agadez) Stolokrosuchus lapparenti (228823 228824)
Albian - Cenomanian113.2 - 93.9Brazil (Ceará) Peirosauridae indet. (207779)
Late/Upper Albian - Early/Lower Cenomanian106.3 - 93.9Algeria (Adrar) Crocodylia indet. (59578)
Late/Upper Albian - Early/Lower Cenomanian106.3 - 93.9Niger (Agadez) Crocodylia indet. (25221)
Late/Upper Albian - Early/Lower Cenomanian106.3 - 93.9Morocco (Drâa-Tafilalet) Trematochampsidae indet., Hamadasuchus rebouli (13274)
Early/Lower Cenomanian100.5 - 93.9Morocco (Drâa-Tafilalet) Hamadasuchus rebouli (114189 114192)
Late/Upper Cenomanian100.5 - 93.9Egypt (Giza) Peirosauridae indet. (231103)
Cenomanian - Campanian100.5 - 72.2Tanzania (Mbeya) Rukwasuchus yajabalijekundu (156028 156029 156030)
Middle Turonian - Late/Upper Turonian93.9 - 89.8Argentina (Neuquén) Crocodylia indet. (49097)
Late/Upper Turonian - Early/Lower Coniacian93.9 - 85.7Brazil (São Paulo) Pepesuchus sp. (220851)
Late/Upper Turonian - Early/Lower Coniacian93.9 - 85.7Argentina (Neuquén) Crocodylia indet. (49415) Patagosuchus anielensis (79953)
Late/Upper Turonian - Early/Lower Coniacian93.9 - 85.7Argentina (Neuquen) Lomasuchus palpebrosus (36947)
Santonian85.7 - 83.6Argentina (Neuquén) Barrosasuchus neuquenianus (197477) Kinesuchus overoi (147178) Peirosauridae indet. (114762) Peirosaurus torminni (118195)
Campanian83.6 - 72.2Argentina (Santa Cruz) Peirosauridae indet. (237047)
Campanian83.6 - 72.2Brazil (Minas Gerais) Peirosauridae indet. (221751)
Early/Lower Campanian83.6 - 72.2France (Languedoc-Roussillon) Trematochampsidae indet. (47782)
Early/Lower Campanian - Middle Campanian83.6 - 72.2Argentina (Mendoza) Peirosaurus torminni (118212)
Campanian - Maastrichtian83.6 - 66.0Argentina (La Rioja) Peirosauridae indet. (215007)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Argentina (Santa Cruz) Peirosauridae morphotype I, Peirosauridae morphotype II, Peirosauridae morphotype III, Peirosauridae morphotype IV (225167)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Brazil (São Paulo) Epoidesuchus tavaresae (147698) Montealtosuchus arrudacamposi (114829) Peirosauridae indet. (230676) Pepesuchus deiseae (106494) Pepesuchus sp. (194871)
Early/Lower Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Kostensuchus atrox (206969)
Late/Upper Maastrichtian72.2 - 66.0Brazil (Minas Gerais) Crocodylia indet. (32346)
Maastrichtian72.2 - 66.0Madagascar (Mahajanga) Miadanasuchus oblita (90031 144728 206553) Trematochampsa oblita (114828)
Maastrichtian72.2 - 66.0Brazil (Minas Gerais) Peirosaurus torminni (51629)