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Crurotarsi

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)Not linked to a GBIF record.
PaleoBioDB ID (PBDB)66477https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=66477
Rankunranked clade (PBDB)
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Crurotarsi
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
-CrurotarsiSereno and Arcucci 1990
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Crurotarsiunranked cladebelongs to Archosauriastated without evidenceSereno and Arcucci, 1990
Crurotarsiunranked cladebelongs to Archosauriastated with evidenceLong and Murry, 1995
Crurotarsiunranked cladebelongs to Archosauromorphastated without evidenceKarl, 2007
Crurotarsiunranked cladebelongs to Archosauriformesstated with evidenceNesbitt, 2011
Status (PBDB)extant
Taxon Size (PBDB)5
Extant Size (PBDB)2 (40%)
First Recorded Appearance237 - 228 Ma
Late/Upper Triassic
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)P. C. Sereno and A. B. Arcucci. 1990. The monophyly of crurotarsal archosaurs and the origin of bird and crocodile ankle joints. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 180(1):21-52

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Euscolosuchus âśť
genus
accepted (GBIF)
listed (PBDB)
1237 Ma
Middle Triassic
237 Ma
Middle Triassic
Crocodylotarsi
unranked clade
listed (PBDB)6232 Ma
Late/Upper Triassic
0 Ma
Extant
Ornithosuchia
unranked clade
listed (PBDB)

Synonymy List

YearName and Author
1990Crurotarsi Sereno and Arcucci p. 39 fig. 7
1991Crurotarsi Sereno p. 26
1993Crurotarsi Parrish p. 290 fig. 1
1995Crurotarsi Long and Murry
2007Crurotarsi Karl p. 59
2011Crurotarsi Nesbitt p. 192 fig. 51

References

Sereno P. C., Arcucci A. B. (1990) The monophyly of crurotarsal archosaurs and the origin of bird and crocodile ankle joints, Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 180 1, 21-52
Sereno P. C. (1991) Basal archosaurs: phylogenetic relationships and functional implications, Journal of Vertebrate Paleontology Memoir 2 11 4, suppl., 1-53
Parrish J. M. (1993) Phylogeny of the Crocodylotarsi, with reference to archosaurian and crurotarsan monophyly, Journal of Vertebrate Paleontology 13 3, 287-308
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
Karl H.-V. (2007) The fossil reptiles (Reptilia: Chelonii, Crocodylia) from the marine early Oligocene of the Weisselster Basin (Central Germany: Saxonia), Studia Geologica Salamanticensia 43 1, 25-66
Nesbitt S. J. (2011) The early evolution of archosaurs: relationships and the origin of major clades, Bulletin of the American Museum of Natural History 353, 1-292
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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