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Acaenasuchus geoffreyi

Description

Acaenasuchus (meaning "thorn crocodile") is an extinct member of the order Aetosauria, endemic to what would be North America during the Triassic, existing for approximately 11.5 million years.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4967763https://www.gbif.org/species/4967763
PaleoBioDB ID (PBDB)69070https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=69070
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Stagonolepididae : Acaenasuchus : Acaenasuchus geoffreyi
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Stagonolepididae : Acaenasuchus : Acaenasuchus geoffreyi
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-Archosauria
-Pseudosuchia
-SuchiaKrebs 1974
-Aetosauria
-Stagonolepididae
suborderDesmatosuchiaCase 1920
subfamilyDesmatosuchinaeHuene 1942
genusAcaenasuchusLong and Murry 1995
speciesAcaenasuchus geoffreyiLong & Murry 1995
Generic NameAcaenasuchus
Scientific NameAcaenasuchus geoffreyi Long & Murry, 1995
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Acaenasuchus geoffreyispeciesbelongs to Acaenasuchusstated with evidenceLong and Murry, 1995
Acaenasuchus geoffreyispeciessubjective synonym of Episcoposaurus haplocerusstated with evidenceHeckert and Lucas, 2000
Acaenasuchus geoffreyispeciesbelongs to Acaenasuchusstated with evidenceIrmis, 2005
Acaenasuchus geoffreyispeciesbelongs to Acaenasuchusstated without evidenceParker, 2007
Acaenasuchus geoffreyispeciesbelongs to Acaenasuchusstated with evidenceParker, 2008
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance228 - 209 Ma
Late/Upper Triassic
Last Recorded Appearance228 - 209 Ma
Late/Upper Triassic
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Dietherbivore (based on Aetosauria)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) tetrapods from the southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254
Wikipediahttps://en.wikipedia.org/wiki/Acaenasuchus_geoffreyi

Fossil Distribution

Synonymy List

YearName and Author
1995Acaenasuchus geoffreyi Long and Murry
2005Acaenasuchus geoffreyi Irmis pp. 75-76
2005Acaenasuchus geoffreyi Parker p. 41
2007Acaenasuchus geoffreyi Parker
2008Acaenasuchus geoffreyi Parker
2013Acaenasuchus geoffreyi Desojo et al.

References

Long R. A., Murry P. A. (1995) Late Triassic (Carnian and Norian) tetrapods from the southwestern United States, New Mexico Museum of Natural History and Science Bulletin 4, 1-254
Irmis R. B. (2005) The vertebrate fauna of the Upper Triassic Chinle Formation in northern Arizona, In S. J. Nesbitt, W. G. Parker, & R. B. Irmis (eds.), Guidebook to the Triassic Formations of the Colorado Plateau in Northern Arizona: Geology, Paleontology, and History. Mesa Southwest Museum Bulletin 9, 63-88
Parker W. G. (2005) Faunal review of the Upper Triassic Chinle Formation of Arizona, Vertebrate Paleontology of Arizona, Mesa Southwest Museum Bulletin 11, 34-54
Parker W. G. (2007) Reassessment of the Aetosaur "Desmatosuchus" chamaensis with a reanalysis of the phylogeny of the Aetosauria (Archosauria: Pseudosuchia), Journal of Systematic Palaeontology 5, 41-67
Parker W. G. (2008) Description of new material of the aetosaur Desmatosuchus spuriensis (Archosauria: Suchia) from the Chinle Formation of Arizona and a revision of the genus, PaleoBios 28, 1-40
Desojo J. B., Heckert A. B., et al (2013) Aetosauria: a clade of armoured pseudosuchians from the Upper Triassic continental beds, Anatomy, Phylogeny and Palaeobiology of Early Archosaurs and their Kin. Geological Society, London, Special Publications 379, 203-239
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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