Tralkasaurus
Sign in to saveTralkasaurus (meaning "thunder lizard") is a genus of abelisaurid dinosaur from the Huincul Formation from Río Negro Province in Argentina. The type and only species is Tralkasaurus cuyi, named in 2020 by Mauricio Cerroni and colleagues based on an incomplete skeleton. A medium-sized abelisaurid, Tralkasaurus exhibits a conflicting blend of characteristics found among the early-diverging abelisauroids with others that characterize the highly specialized clade Brachyrostra, and thus its position within the clade is poorly-resolved.
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- Discovery and naming
- Description
- Classification
- Palaeoecology
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Tralkasaurus (meaning "thunder lizard") is a genus of abelisaurid dinosaur from the Huincul Formation from Río Negro Province in Argentina. The type and only species is Tralkasaurus cuyi, named in 2020 by Mauricio Cerroni and colleagues based on an incomplete skeleton. A medium-sized abelisaurid, Tralkasaurus exhibits a conflicting blend of characteristics found among the early-diverging abelisauroids with others that characterize the highly specialized clade Brachyrostra, and thus its position within the clade is poorly-resolved.
==Discovery and naming== The Violante Farm fossil site in Río Negro Province, Argentina, near the village of El Cuy, was discovered in 1999 by Sebastián Apesteguía on the north shore of the Ezequiel Ramos Mexía Reservoir. In a 2018 conference abstract, Matías Motta and colleagues reported new fossil discoveries, including a diverse fauna of dinosaurs, made at the Violante Farm site. The strata exposed are yellowish and greenish sandstones that are occasionally tuffaceous (i.e. bearing volcanic ash), which belong to the Cenomanian-Turonian Huincul Formation.