Ninjatitan

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Ninjatitan
Temporal range: Early Cretaceous,
140–134  Ma
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade:† Sauropodomorpha
Clade:† Sauropoda
Clade:† Macronaria
Clade:† Titanosauria
Genus:† Ninjatitan
Gallina, Canale, & Carballido, 2021
Species:
†N. zapatai
Binomial name
†Ninjatitan zapatai
Gallina, Canale, & Carballido, 2021

Ninjatitan (meaning "Ninja giant") is a genus of titanosaur sauropod dinosaur from the Early Cretaceous (Berriasian-Valanginian)-aged Bajada Colorada Formation of Argentina. It is the oldest titanosaur known to date and the type species N. zapatai was named and described in 2021. [1] Its generic name comes from a nickname of Argentine palaeontologist Sebastian Apesteguia, and the specific name comes from technician Rogelio Zapata. [2] It is known from postcranial remains discovered in 2014. [3] [4]

Classification

Ninjatitan does not preserve any unanimous features that classify it as a somphospondylan, but it does bear features that suggest it can be included within the clade Titanosauria, either as a basal taxon or possibly within the clade Colossosauria. The phylogenetic results of Gallina and colleagues are shown below, where Ninjatitan was suggested to have multiple possible positions. [1]

Titanosauria

References

  1. 1 2 Gallina, P. A.; Canale, J. I.; Carballido, J. L. (2021). "The Earliest Known Titanosaur Sauropod Dinosaur" . Ameghiniana. 58 (1): 35–51. Bibcode:2021Amegh..58..376G. doi:10.5710/AMGH.20.08.2020.3376.
  2. ↑ "Colossal titanosaur found in Argentina could be the oldest example ever found, say scientists". South China Morning Post. Agence France-Presse. March 1, 2021.
  3. ↑ "Científicos argentinos hallaron el titanosaurio más antiguo a nivel mundial". www.ambito.com. Retrieved 2021-03-01.
  4. ↑ Monday, 01 Mar 2021 07:32 AM MYT (March 2021). "Study: Argentine titanosaur may be oldest yet | Malay Mail". www.malaymail.com. Retrieved 2021-03-01.{{cite web}}: CS1 maint: numeric names: authors list (link)


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