TRATAYENIA
a carnivorous megaraptoran theropod dinosaur from the Late Cretaceous of Argentina.
Pronunciation: treh-ta-YAY-nee-uh
Meaning: Tratayen One
Author/s: Porfiri
et al. (
2018)
Synonyms: None known
First Discovery: Neuquén, Argentina
Discovery Chart Position: #983
Tratayenia rosalesi
(Rosales' Tratayen One)Etymology
Tratayenia is named for the Tratayén locality in which it was discovered. The
species epithet,
rosalesi, honours Diego Rosales, a technician at the Universidad Nacional del Comahue, who discovered the specimen and conducted much of its preparation.
Zoobank registration:
urn:lsid:zoobank.org:act:FEF33B2C-4A95-4BD2-87C1-5DBAB14055BD.
Discovery
The remains of
Tratayenia were discovered in the Bajo de la Carpa Formation (Río Colorado Subgroup, Neuquén Group) at the Los Pilares-Tratayén fossil site, at the base of a steep cliff near Añelo Town, Neuquén Province, northwestern Patagonia, Argentina, by Diego Rosales in 2006.
The
holotype (MUCPv 1162) consists of seven back vertebrae, two rib fragments, and a partial hip (a sacrum, pieces of right ilium and ischium, and the pubic boot). The specimen was preliminarily reported in an abstract by Porfiri
et al. in 2008.
Preparator
Diego Rosales.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Santonian
Age range: 86-84 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Carnivore
References
• Porfiri JD, Calvo JO, Juárez Valieri RD and Santos DDD (2008) "A new large theropod dinosaur from the Bajo de la Carpa Formation (Late Cretaceous) of Neuquén, Patagonia".
Actas III Congresso Latinoamericano de Paleontología de Vertebrados, Universidad Nacional del Comahue, Neuquén, Argentina.
• Porfiria JD, Juárez Valieric RD, Santos DDD and Lamanna MC (2018) "A new megaraptoran theropod dinosaur from the Upper Cretaceous Bajo de la Carpa Formation of northwestern Patagonia".
Cretaceous Research, 89: 302-319. DOI: 10.1016/j.cretres.2018.03.014.
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To cite this page:
Atkinson, L.
"
TRATAYENIA :: from DinoChecker's dinosaur archive".
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http://www.dinochecker.com/dinosaurs/TRATAYENIA›. Web access: 06th Mar 2026.
