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Sanpasaurus

From Wikipedia, the free encyclopedia
Extinct species of reptile

Sanpasaurus
Temporal range:Early Jurassic,183 Ma
Dorsal vertebra
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Clade:Dinosauria
Clade:Saurischia
Clade:Sauropodomorpha
Clade:Sauropoda
Genus:Sanpasaurus
Young, 1944
Species:
S. yaoi
Binomial name
Sanpasaurus yaoi
Young, 1944
Chevron ofSanpasaurus in anterior view (A), posterior view (B), and lateral view (C), with 5-cm black bar for scale.

Sanpasaurus ("Sanpa lizard") is a poorly knownsauropoddinosaur from theEarly Jurassic ofSichuan,China. Thetype species,S. yaoi, was described byChung Chien Young, in 1944. Thetype remains,IVPP V.156, consists of 20vertebrae,scapulae, forelimbs, and some hindlimb bones.[1]Initially reported by Young as anornithopodornithischian,[1] this specimen was unambiguously referred toSauropoda[2][3] in 2016 by McPheeet al.,[4] later refined to a basalgravisaurian position by Polet al. in 2020 and 2022, closely related toVulcanodon andTazoudasaurus.[5][6]Sanpasaurus is known from remains recovered from the Maanshan Member of theZiliujing Formation.

References

[edit]
  1. ^abC.-C. Young. 1944. On the reptilian remains from Weiyuan, Szechuan, China.Bulletin of the Geological Society of China24(3–4):187-205.
  2. ^A mention buried at the bottom of a long discussion of Asian sauropods, on the Dinosaur Mailing List.
  3. ^Upchurch, P. 1995. The evolutionary history of sauropod dinosaurs.Philosophical Transactions of the Royal Society of London, B, 349:365-390.
  4. ^McPhee BW, Upchurch P, Mannion PD, Sullivan C, Butler RJ, Barrett PM. (2016) A revision ofSanpasaurus yaoi Young, 1944 from the Early Jurassic of China, and its relevance to the early evolution of Sauropoda (Dinosauria) PeerJ 4:e2578https://doi.org/10.7717/peerj.2578
  5. ^D. Pol; J. Ramezani; K. Gomez; J. L. Carballido; A. Paulina Carabajal; O. W. M. Rauhut; I. H. Escapa; N. R. Cúneo (2020)."Extinction of herbivorous dinosaurs linked to Early Jurassic global warming event".Proceedings of the Royal Society B: Biological Sciences.287 (1939): Article ID 20202310.doi:10.1098/rspb.2020.2310.PMC 7739499.PMID 33203331.S2CID 226982302.
  6. ^Pol, D.; Gomez, K.; Holwerda, F.H.; Rauhut, O.W.M.; Carballido, J.L. (2022). "Sauropods from the Early Jurassic of South America and the Radiation of Eusauropoda". In Otero, A.; Carballido, J.L.; Pol, D. (eds.).South American Sauropodomorph Dinosaurs. Record, Diversity and Evolution. Springer. pp. 131–163.doi:10.1007/978-3-030-95959-3.ISBN 978-3-030-95958-6.ISSN 2197-9596.
Avemetatarsalia
Sauropodomorpha
    • see below↓
Saturnaliidae
Unaysauridae
Plateosauridae
Riojasauridae
Massospondylidae
Sauropodiformes
Anchisauria
Sauropoda
    • see below↓
Buriolestes schultzi

Pantydraco caducusMassospondylus carinatus

Jingshanosaurus xinwaensis
Lessemsauridae
Vulcanodontidae
Cetiosauridae
Mamenchisauridae
Turiasauria
Neosauropoda
Diplodocoidea
  • (see below ↓ )
Macronaria
  • (see below ↓ )
Dubious sauropods
Vulcanodon karibaensis

Barapasaurus tagoreiPatagosaurus fariasi

Turiasaurus riodevnesis
Rebbachisauridae
Khebbashia
Limaysaurinae
Rebbachisaurinae
Flagellicaudata
Dicraeosauridae
Diplodocidae
Apatosaurinae
Diplodocinae
Dicraeosaurus hansemanniDiplodocus carnegii
Camarasauridae
Brachiosauridae
Somphospondyli
Euhelopodidae
Diamantinasauria
Titanosauria
    • see below↓
Pelorosaurus brevis

Sauroposeidon proteles

Wintonotitan wattsi
Lirainosaurinae
Colossosauria
Rinconsauria
Aeolosaurini
Lognkosauria
Saltasauroidea
Nemegtosauridae
Saltasauridae
Opisthocoelicaudiinae
Saltasaurinae
Dubious titanosaurs
Andesaurus delgadoi

Ampelosaurus atacisFutalognkosaurus dukei

Saltasaurus loricatus
Topics in sauropodomorph research
Sanpasaurus


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