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New Species of Sauropod Dinosaur Unearthed in Argentina | Sci.Information

New Species of Sauropod Dinosaur Unearthed in Argentina | Sci.Information
April 16, 2025



A brand new genus and species of rebbachisaurid sauropod dinosaur has been described from fossils came upon at a paleontological locality within the Argentine province of Neuquén.
New Species of Sauropod Dinosaur Unearthed in Argentina | Sci.InformationLifestyles reconstruction of Cienciargentina sanchezi. Symbol credit score: Connor Ashbridge / CC BY 4.0.
The newly-discovered dinosaur roamed Earth all the way through the Past due Cretaceous epoch, some 94 million years in the past.
Named Cienciargentina sanchezi, the species is the earliest member of the diplodocoid dinosaur circle of relatives Rebbachisauridae recognized up to now.
Rebbachisaurids varied essentially at the supercontinent Gondwana between the Early and Past due Cretaceous.
Those dinosaurs are recognized from fragmentary fossil stays from South The us, Africa, North The us, Europe and perhaps Central Asia.
They’re outstanding from different sauropods by means of their unique tooth. Some species had enamel batteries, very similar to the ones of hadrosaur and ceratopsian dinosaurs.
“The primary South American rebbachisaurid sauropods had been known upon the root of fabrics from the environment of Villa El Chocón (Neuquén Province, Argentina), from the Candeleros and Huincul formations,” stated corresponding writer Leonardo Salgado from the Universidad Nacional de Río Negro-Conicet and his colleague María Edith Simón.
“The rebbachisaurid fabrics from the Huincul Formation are particularly related as a result of, in conjunction with the ones of the Bajo Barreal Formation, correspond to the ultimate indubitable diplodocoids earlier than, probably, they changed into utterly extinct.”
The fossilized subject matter from Cienciargentina sanchezi used to be discovered within the environment of Villa El Chocón within the base of the Huincul Formation.
“This new species is added to the record of rebbachisaurid sauropods documented within the Huincul Formation (higher Cenomanian-Turonian), which can be considered the newest diplodocoids at international degree,” the paleontologists stated.
“In reality: from the Turonian onwards, sauropod communities are composed solely of macronarians, most commonly titanosaurs.”
“In Patagonia, specifically within the Huincul Formation, the hypothetical faunal turnover that happened in the course of the Cretaceous, which concerned no longer most effective sauropods however different teams of dinosaurs, is noticed, most likely like nowhere else in South The us.”
A paper describing the invention used to be revealed this month within the magazine Cretaceous Analysis.
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María Edith Simón & Leonardo Salgado. New rebbachisaurid (Dinosauria, Sauropoda) from the Huincul Formation (higher Cenomanian-Turonian) of Villa El Chocón (Neuquén Province, Argentina). Cretaceous Analysis, publisherd on-line April 9, 2025; doi: 10.1016/j.cretres.2025.106137

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