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Xotodon

From Wikipedia, the free encyclopedia

Xotodon
Temporal range: Miocene
(late Miocene), 9.0–6.8 Ma
Xotodon sp. skull at the Museum für Naturkunde, Berlin
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Order: †Notoungulata
Family: †Toxodontidae
Subfamily: †Toxodontinae
Genus: †Xotodon
Ameghino, 1887
Type species
†Xotodon foricurvatus
(Ameghino, 1885)
Other species
  • †X. ambrosetti
    Rovereto, 1914
  • †X. caravela
    Armella & colleagues, 2018
  • †X. cristatus
    (Moreno and Mercerat), 1891
  • †X. doellojuradoi
    Frenguelli, 1920
  • †X. maimarensis
    Bonini & colleagues, 2017
  • †X. major
    Rovereto, 1914
  • †X. prominens
    Ameghino, 1888

Xotodon is an extinct genus of toxodontid mammal that lived during the Late Miocene (Huayquerian in the SALMA classification) in Argentina, South America.[1] Fossils of Xotodon have been found in the Ituzaingó, Maimará and Chiquimil Formations of Argentina.[2]

Palaeobiology

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Diet

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The δ13C ratios of Xotodon suggest they were mixed feeders that consumed a range of both C3 and C4 plants.[3]

References

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  1. ↑ Nasif, N. L.; Musalem, S. A.; Cerdeño, E. (2000). "A new toxodont from the Late Miocene of Catamarca, Argentina, and a phylogenetic analysis of the Toxodontidae". Journal of Vertebrate Paleontology. 20 (3): 591. doi:10.1671/0272-4634(2000)020[0591:ANTFTL]2.0.CO;2. S2CID 85788431.
  2. ↑ Xotodon at Fossilworks.org
  3. ↑ Sanz-Pérez, Dánae; Tomassini, Rodrigo L.; Montalvo, Claudia I.; Zurita, Alfredo; Hernández Fernández, Manuel; Domingo, Laura (31 May 2024). "Stable isotope analysis evidences dietary changes in toxodontids (Mammalia, Notoungulata) across the Neogene-Quaternary from Argentina". Spanish Journal of Palaeontology. doi:10.7203/sjp.28828. ISSN 2660-9568. Retrieved 15 February 2026 – via ResearchGate.


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