Biology:Bonatitan

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Short description: Extinct genus of dinosaurs

Bonatitan
Temporal range: Late Campanian-Early Maastrichtian
~75–70 Ma
Scientific classification edit
Script error: No such module "Taxobox ranks".: Animalia
Script error: No such module "Taxobox ranks".: Chordata
Script error: No such module "Taxobox ranks".: Dinosauria
Script error: No such module "Taxobox ranks".: Saurischia
Script error: No such module "Taxobox ranks".: Sauropodomorpha
Script error: No such module "Taxobox ranks".: Sauropoda
Script error: No such module "Taxobox ranks".: Macronaria
Script error: No such module "Taxobox ranks".: Titanosauria
Script error: No such module "Taxobox ranks".: Saltasauridae
Script error: No such module "Taxobox ranks".: Saltasaurinae
Script error: No such module "Taxobox ranks".: Bonatitan
Script error: No such module "Taxobox ranks".: <div style="display:inline" class="script error: no such module "taxobox ranks".">†B. reigi
Binomial name
Bonatitan reigi
Martinelli & Forasiepi, 2004

Bonatitan is a genus of titanosaurian dinosaur from the Late Cretaceous Allen Formation of Argentina . It was named in 2004.[1][2]

Description

The type species is Bonatitan reigi, first described by Martinelli and Forasiepi in 2004. The specific epithet honours Osvaldo Reig. The holotype, MACN-PV RN 821, originally included a braincase and caudal vertebrae as well as limb elements. However, Salgado et al. (2014) emended the holotype to include the braincase only, and treated other elements catalogued under MACN-PV RN 821 as belonging to separate individual based on size and relative proportions.[3] The genus and species names honor the famous Argentine paleontologists José Fernando Bonaparte and Osvaldo Reig.

Phylogeny

Bonatitan in a cladogram after Navarro et al., 2022:[4]

Saltasauridae
Opisthocoelicaudiinae

Opisthocoelicaudia

Nemegtosaurus

Saltasaurinae

Alamosaurus

Baurutitan

Ibirania

Bonatitan

Rocasaurus

Saltasaurini

Neuquensaurus

MACN-PV-RN 233

Saltasaurus

References

  1. Martinelli, A. and Forasiepi, A.M. (2004). "Late Cretaceous vertebrates from Bajo de Santa Rosa (Allen Formation), Rio Negro province, Argentina, with the description of a new sauropod dinosaur (Titanosauridae)". Revista del Museo Argentino de Ciencias Naturales 6(2): 257–305.
  2. Dinobase: University of Bristol's Online Dinosaur Database
  3. Salgado L., Gallina P.A. and Paulina Carabajal A. 2014. "Redescription of Bonatitan reigi (Sauropoda: Titanosauria), from the Campanian–Maastrichtian of the Río Negro Province (Argentina)". Historical Biology: An International Journal of Paleobiology 27(5): 525-548
  4. Navarro, Bruno A.; Ghilardi, Aline M.; Aureliano, Tito; Díaz, Verónica Díez; Bandeira, Kamila L. N.; Cattaruzzi, André G. S.; Iori, Fabiano V.; Martine, Ariel M. et al. (2022-09-15). "A new nanoid titanosaur (Dinosauria: Sauropoda) from the Upper Cretaceous of Brazil" (in en). Ameghiniana 59 (5): 317–354. doi:10.5710/AMGH.25.08.2022.3477. ISSN 1851-8044. https://www.researchgate.net/publication/362978138. 

Wikidata ☰ Q135396 entry