TRALKASAURUS
an abelisaurid theropod dinosaur from the Late Cretaceous of Argentina.
Pronunciation: TRAL-kuh-SOR-us
Meaning: Thunder lizard
Author/s: Cerroni
et al. (
2020)
Synonyms: None known
First Discovery: Río Negro Province, Argentina
Discovery Chart Position: #1018
Tralkasaurus cuyi
[Thunder lizard of El Cuy]Etymology
Tralkasaurus is derived from the Mapudungun word "tralka" (thunder) and the Greek "sauros" (lizard). The
species epithet,
cuyi, refers to the village of El Cuy.
Zoobank registry:
urn:lsid:zoobank.org:act:833C364B-335F-42DC-9153-C8AF602B0F1E
Discovery
The remains of
Tralkasaurus were found in the Huincul Formation at Violante Farm on the north shore of Ezequiel Ramos Mexía Reservoir, near the village of El Cuy, Río Negro Province, Argentina, by Sebastián Apesteguía in 1999. The
holotype (MPCA-Pv 815) includes a partial upper jaw, vertebrae from the back, hip and tail, some ribs, and a badly-preserved pubic bone.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Cenomanian-Turonian
Age range: 100-90 mya
Stats:
Est. max. length: 6 meters
Est. max. hip height: ?
Est. max. weight: ?
Diet: Carnivore
References
• Motta MJ, Brissón Egli F, Aranciaga-Rolando AM, Rozadilla S, Gentil AR, Lio G, Cerroni M, Garcia Marsà J, Agnolín FL, D'Angelo JS, Álvarez-Herrera GP, Alsina CH and Novas FE (2018) "
New Vertebrate Remains from the Huincul Formation (Cenomanian-Turonian; Upper Cretaceous) in Río Negro, Argentina".
XXXII Jornadas Argentinas de Paleontología de Vertebrados. Publicación Electrónica de la Asociación Paleontológica Argentina, 19(1).
• Cerroni MA, Motta MJ, Agnolín FL, Aranciaga Rolando AM, Brissón Egli F and Novas FE (2020) "A new abelisaurid from the Huincul Formation (Cenomanian-Turonian; Upper Cretaceous) of Río Negro province, Argentina".
Journal of South American Earth Sciences, 98: 102445. DOI: 10.1016/j.jsames.2019.102445.
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To cite this page:
Atkinson, L.
"
TRALKASAURUS :: from DinoChecker's dinosaur archive".
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http://www.dinochecker.com/dinosaurs/TRALKASAURUS›. Web access: 06th Mar 2026.
