It has been speculated that

as well as even more primitive protocetids

China y Mongolia

Medidas aproximadas del Turiasaurus:

in a diverse and dynamic river ecosystem

Spicomellus afer Variant:Primed It has been speculated thatSpicomellus afer is an ankylosaur dinosaur discovered in Morocco and first described in 2021, which has become one of the most remarkable finds in recent paleontology. It is the oldest known ankylosaur to date, with an estimated age of around 165 million years , dating back to the Middle Jurassic, making it also the first representative of this group documented in Africa. The name Spicomellus afer means African spiny collar, a direct reference to this