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Temporal range: Barremian
An artist's restoration of Sibirotian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodamorpha
Infraorder: Sauropoda
Clade: Macronaria
Clade: Titanosauriformes
Genus: Sibirotitan
Type species
Sibirotitan astrosacralis
Averianov et al., 2017
  • "Sibirosaurus" Ward, 2015

Scientists examining the bones of Sibirotitan

Sibirotitan ("Siberian titan") is a genus of somphospondylid sauropod from the Ilek Formation of Russia. It has one species, S. astrosacralis.


The genus was discovered on the banks of the Kiya River in 2008. Unable to excavate the fossils from the rocks, palaeontologists were forced to extract fragments. They were subsequently taken to Tomsk State University, where experts examined the fossils.[1] It was informally nicknamed "Sibirosaurus" in the press in 2015 and then renamed to Sibirotitan in 2017.


  1. Ward, Victoria (March 28, 2015). "Scientists discover 'new species' of dinosaur". Retrieved March 30, 2015.
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