Titanomachya

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Titanomachya
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: †Sauropodomorpha
Clade: †Sauropoda
Clade: †Macronaria
Clade: †Titanosauria
Superfamily: †Saltasauroidea
Genus: †Titanomachya
Pérez-Moreno et al., 2024
Type species
Titanomachya gimenezi
Pérez-Moreno et al., 2024

Titanomachya (named after the

extinct genus of titanosaurian sauropod dinosaur from the Late Cretaceous La Colonia Formation of Argentina. The genus contains a single species
, T. gimenezi. It is a relatively small titanosaur, weighing around 7.8 tonnes (8.6 short tons).

Discovery and naming

The Titanomachya

femora, both tibiae and fibulae, and parts of both astragali.[1]

Artistic representation of the Titanomachy, after which Titanomachya was named, by Joachim Wtewael

In 2024, Pérez-Moreno et al.

Titans—referring to the species' proximity to the extinction of the titanosaurs. The specific name, gimenezi, honors Olga Giménez and her paleontological contributions to the study of Argentinian dinosaurs from Chubut Province.[1]

Titanomachya represents the first saltasauroid titanosaur to be discovered in Central Patagonian sediments dated to the end of the Cretaceous. The only other saltasauroid from the North Patagonian Massif is the similarly aged Dreadnoughtus from Argentina's Cerro Fortaleza Formation.[1]

Description

Titanomachya is a small titanosaur, with an estimated length of 6 metres (20 ft).

saltasauroids.[1]

Classification

Pérez-Moreno et al. (2024) entered Titanomachya into a

phylogenetic analysis and found it to be in the clade Lithostrotia, itself recovered as a subclade of the Saltasauroidea. This result is similar to that recovered in the 2023 description of Bustingorrytitan.[3] The results of Pérez-Moreno et al. are shown in the cladogram below:[1]

Eutitanosauria

Paleoenvironment

Titanomachya gimenezi and The La Colonia Formation

Titanomachya was found in outcrops of the

ankylosaurs have also been found. The small adult size of Titanomachya compared to giant titanosaurs may have been a result of competition with an increased diversity of these other herbivores.[1][2]

References

  1. ^
    doi:10.1080/08912963.2024.2332997
    .
  2. ^ a b Black, Riley (2024-04-11). "Unprecedented fossils reveal the smallest titanosaur ever found". National Geographic. Retrieved 2024-04-11.
  3. doi:10.4202/app.01086.2023
    .
  4. ISSN 0195-6671
    .
  5. ISSN 0195-6671
  6. ISSN 0195-6671
    .
  7. S2CID 213090343
    .
  8. S2CID 131429825
    .
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