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Pukyongosaurus

From Wikipedia, the free encyclopedia
Extinct genus of dinosaurs

Pukyongosaurus
Temporal range:Aptian-Albian
~118.0–112.4 Ma
Reconstructed skeleton ofPukyongosaurus in the Pukyong National University
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Clade:Dinosauria
Clade:Saurischia
Clade:Sauropodomorpha
Clade:Sauropoda
Clade:Macronaria
Clade:Somphospondyli
Genus:Pukyongosaurus
Donget al., 2001
Type species
Pukyongosaurus millenniumi
Donget al., 2001

Pukyongosaurus (meaning "Pukyong lizard", after thePukyong National University[1]) is agenus oftitanosauriformdinosaur that lived inSouth Korea during the EarlyCretaceous Period (Aptian -Albian). It may have been closely related toEuhelopus, and is known from a series ofvertebrae in the neck and back. The characteristics that were originally used to distinguish this genus have been criticized as being either widespread or too poorly preserved to evaluate, rendering the genus an indeterminatenomen dubium among titanosauriforms.[2] A 2022 study noted thatPukyongosaurus is probably asomphospondylan.[3]

Discovery

[edit]

In 2000, several fragments of a sauropod skeleton were discovered in theHasandong Formation inHadong County,South Korea. One of the caudal vertebrae ascribed toPukyongosaurus has bite marks from theropod teeth.[4]

References

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  1. ^Dong, Z.M.; Paik, I.S.; Kim, H.J. (2001). "A preliminary report on a sauropod from the Hasandong Formation (Lower Cretaceous), Korea". In Deng, T.; Wang, Y. (eds.).Proceedings of the Eighth Annual Meeting of the Chinese Society of Vertebrate Paleontology. Beijing: China Ocean Press. pp. 41–53.
  2. ^Park, J.-Y. (2016)."Comments on the validity of the taxonomic status of "Pukyongosaurus" (Dinosauria: Sauropoda)"(PDF).Memoir of the Fukui Prefectural Dinosaur Museum.15:27–32.Archived(PDF) from the original on 2017-02-11. Retrieved2017-02-11.
  3. ^Poropat, S.F.; Frauenfelder, T.G.; Mannion, P.D.; Rigby, S.L.; Pentland, A.H.; Sloan, T.; Elliott, D.A. (2022)."Sauropod dinosaur teeth from the lower Upper Cretaceous Winton Formation of Queensland, Australia and the global record of early titanosauriforms".Royal Society Open Science.9 (7) 220381.Bibcode:2022RSOS....920381P.doi:10.1098/rsos.220381.PMC 9277269.PMID 35845848.
  4. ^Paik, In Sung; Kim, Hyun Joo; Lim, Jong Deock; Huh, Min; Lee, Ho Il (September 2011). "Diverse tooth marks on an adult sauropod bone from the Early Cretaceous, Korea: Implications in feeding behaviour of theropod dinosaurs".Palaeogeography, Palaeoclimatology, Palaeoecology.309 (3–4):342–346.Bibcode:2011PPP...309..342P.doi:10.1016/j.palaeo.2011.07.002.
Avemetatarsalia
Sauropodomorpha
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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
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Aeolosaurini
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Saltasauroidea
Nemegtosauridae
Saltasauridae
Opisthocoelicaudiinae
Saltasaurinae
Dubious titanosaurs
Andesaurus delgadoi

Ampelosaurus atacisFutalognkosaurus dukei

Saltasaurus loricatus
Topics in sauropodomorph research
Pukyongosaurus


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