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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Sierritasuchus macalpini

Description

Sierritasuchus is an extinct genus of aetosaur in the subfamily Desmatosuchinae. It is known from a small holotype skeleton from the Late Triassic Tecovas Formation of Texas. This skeleton (known as UMMP V60817) was discovered in 1939 and was originally assigned to the genus Desmatosuchus. It was placed in its own genus in 2008 after having been in the collections of the University of Michigan Museum of Paleontology, with the type species being S. macalpini. The generic name refers to Sierrita de la Cruz Creek where the holotype was found, and the specific name refers to Archie MacAlpin, who discovered the skeleton. Based on the histology of the scutes of the holotype, the individual was a subadult that was not fully grown.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4967765https://www.gbif.org/species/4967765
PaleoBioDB ID (PBDB)138438https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=138438
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Stagonolepididae : Sierritasuchus : Sierritasuchus macalpini
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Stagonolepididae : Sierritasuchus : Sierritasuchus macalpini
Taxonomic Status (GBIF)doubtful
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
-DesmatosuchiniParker 2016
genusSierritasuchusParker et al. 2008
speciesSierritasuchus macalpiniParker Stocker & Irmis 2008
Generic NameSierritasuchus
Scientific NameSierritasuchus macalpini Parker, Stocker & Irmis, 2008
Name Published InParker, William, Michelle R. Stocker & Randall B. Irmis. 2008. A new desmatosuchine aetosaur (Archosauria: Suchia) from the Upper Triassic Tecovas Formation (Dockum Group) of Texas. Journal of Vertebrate Paleontology.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Sierritasuchus macalpinispeciesbelongs to Sierritasuchusstated with evidenceParker et al., 2008
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance237 - 209 Ma
Late/Upper Triassic
Last Recorded Appearance237 - 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)W. G. Parker, M. R. Stocker, and R. B. Irmis. 2008. A new desmatosuchine aetosaur (Archosauria: Suchia) from the Upper Triassic Tecovas Formation (Dockum Group) of Texas. Journal of Vertebrate Paleontology 28(3):692-701
Wikipediahttps://en.wikipedia.org/wiki/Sierritasuchus_macalpini

Fossil Distribution

Synonymy List

YearName and Author
2008Sierritasuchus macalpini Parker et al. p. 693 figs. 2-4
2013Sierritasuchus macalpini Desojo et al.
2016Sierritasuchus macalpini Parker

References

Parker W. G., Stocker M. R., et al (2008) A new desmatosuchine aetosaur (Archosauria: Suchia) from the Upper Triassic Tecovas Formation (Dockum Group) of Texas, Journal of Vertebrate Paleontology 28 3, 692-701 doi:10.1671/0272-4634(2008)28[692:ANDAAS]2.0.CO;2
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
Parker W. G. (2016) Revised phylogenetic analysis of the Aetosauria (Archosauria: Pseudosuchia); assessing the effects of incongruent morphological character sets, PeerJ 4, e1583
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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