Titanosauria

Extinct clade of dinosaurs

Titanosaurs (or titanosaurians; members of the group Titanosauria) were a diverse group of sauropod dinosaurs, including genera from every continent. The titanosaurs were the last surviving group of long-necked sauropods, with taxa still thriving at the time of the extinction event at the end of the Cretaceous. This group includes some of the largest land animals known to have ever existed, such as Patagotitan, estimated at 37 m (121 ft) long with a mass of 69 tonnes (76 tons), and the comparably sized Argentinosaurus and Puertasaurus from the same region.

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