Malarguesaurus

Extinct genus of dinosaurs

Malarguesaurus
Temporal range: upper Turonian-lower Coniacian
~90.5–88.5 Ma
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Sauropodomorpha
Clade: Sauropoda
Clade: Macronaria
Clade: Titanosauria
Genus: Malarguesaurus
González Riga et al. 2008
Type species
Malarguesaurus florenciae
González Riga et al. 2008

Malarguesaurus (meaning "Malargue lizard" after the Malargüe Department of Mendonza Province) is a genus of titanosauriform sauropod dinosaur from the Late Cretaceous of Mendoza Province, Argentina. Its fossils, consisting of tail vertebrae, chevrons, ribs, and limb bones, were found in the upper Turonian-lower Coniacian Portezuelo Formation[1] of the Neuquén Group. The type species, described by González Riga et al. in 2008, is M. florenciae.

Description

Described as a robust sauropod, it was initially described as being closely related to Ligabuesaurus and Phuwiangosaurus, and Mannion et al. (2013) more precisely recovered it as a member of Somphospondyli.[2][3] The cladistic analysis of Patagotitan recovered Malarguesaurus as a close relative of the Asian Ruyangosaurus.[4]

Like other sauropods, Malarguesaurus would have been a large quadrupedal herbivore.[5] Malarguesaurus is the second sauropod dinosaur discovered in Mendoza Province; the first is Mendozasaurus neguyelap.[6]

References

  1. ^ Carballido, Jose L.; Bellardini, Flavio; Salgado, Leonardo (2022), "The Rise of Non-Titanosaur Macronarians in South America", South American Sauropodomorph Dinosaurs, Cham: Springer International Publishing, pp. 237–268, ISBN 978-3-030-95958-6, retrieved 2022-11-16
  2. ^ González Riga, Bernardo J.; Previtera, Elena; Pirrone, Cecilia A. (2008). "Malarguesaurus florenciae gen. et sp. nov., a new titanosauriform (Dinosauria, Sauropoda) from the Upper Cretaceous of Mendoza, Argentina". Cretaceous Research. 30 (1): 135–148. doi:10.1016/j.cretres.2008.06.006.
  3. ^ P. D. Mannion, P. Upchurch, R. N. Barnes and O. Mateus. 2013. Osteology of the Late Jurassic Portuguese sauropod dinosaur Lusotitan atalaiensis (Macronaria) and the evolutionary history of basal titanosauriforms. Zoological Journal of the Linnean Society 168:98-206.
  4. ^ José L. Carballido; Diego Pol; Alejandro Otero; Ignacio A. Cerda; Leonardo Salgado ; Alberto C. Garrido ; Jahandar Ramezani ; Néstor R. Cúneo ; Javier M. Krause (2017). "A new giant titanosaur sheds light on body mass evolution among sauropod dinosaurs". Proceedings of the Royal Society B: Biological Sciences. 284 (1860): 20171219. doi:10.1098/rspb.2017.1219.
  5. ^ Upchurch, Paul; Barrett, Paul M.; Dodson, Peter. (2004). "Sauropoda". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.). The Dinosauria (2nd ed.). Be rkeley: University of California Press. pp. 259–322. ISBN 978-0-520-24209-8.
  6. ^ González Riga, Bernardo J. (2003). "A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Mendoza, Argentina". Ameghiniana. 40: 155–172.

External links

  • Malarguesaurus and other South American sauropods
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Avemetatarsalia
    • see Avemetatarsalia
Sauropodomorpha
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Saturnaliidae
Unaysauridae
Plateosauridae
Riojasauridae
Massospondylidae
Sauropodiformes
Anchisauria
Sauropoda
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Buriolestes schultzi

Pantydraco caducus Massospondylus carinatus

Jingshanosaurus xinwaensis
Lessemsauridae
Vulcanodontidae
Cetiosauridae
Mamenchisauridae
Turiasauria
Neosauropoda
Diplodocoidea
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Macronaria
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Dubious sauropods
Vulcanodon karibaensis

Barapasaurus tagorei Patagosaurus fariasi

Turiasaurus riodevnesis
Rebbachisauridae
Khebbashia
Limaysaurinae
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Flagellicaudata
Dicraeosauridae
Diplodocidae
Apatosaurinae
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Dicraeosaurus hansemanni Diplodocus carnegii
Camarasauridae
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Somphospondyli
Euhelopodidae
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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 atacis Futalognkosaurus dukei

Saltasaurus loricatus
Topics in sauropodomorph research
Taxon identifiers
Malarguesaurus


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