In the last decades, the study of Gondwanan non-avian theropods has been highly prolific, showing that the group reached a great taxonomic and morphological diversity comparable to that of Laurasia. 595 more words
Tags » Mesozoic
The plates on this Stegosaurus ungulatus blaze bright right to reflect its aggravated, defensive mood. I personally like to imagine that Stegosaurus and its cousins could change the color of their plates much as chameleons change their hide color today (it’s an idea that evolved from the portrayal of Stegosaurus turning its plates red as a warning display in the old BBC documentary Walking with Dinosaurs).
Kentrosaurus aethiopicus was a cousin of the Stegosaurus which lived in Africa during the late Jurassic period, around 155-150 million years ago. It stood out from its North American cousin by having narrower plates, a greater number of spikes on its tail, and then a pair of large spikes sticking out of its shoulder. 22 more words
Deep in a Cretaceous jungle where dinosaurs roam free, this primitive bird is stretching its wings while perched on a mossy tree branch. It’s probably one of the Enantiornithes, which thrived throughout the Cretaceous Period before becoming extinct along with all the non-avian dinosaurs. 14 more words