Tags » Mesozoic
Fish in a Jurassic river go about their routines around the feet of a wading sauropod dinosaur (I had in mind one of the brachiosaurs). Although the old belief that sauropods would have been primarily aquatic has been discredited for the most part, I’m sure they occasionally waded or swam across water, either to get from place to place or to cool off under the intense Mesozoic heat.
Just as the animal kingdom lost some remarkable designs during the mass extinction events that punctuated the Palaeozoic and Mesozoic (consider the disappearance of the novel carapaces of trilobites and the aerofoils of pterosaurs), so too the plant kingdom lost some majestic groups that, had they survived until today, would no doubt have been cultivated as centrepieces in many domestic gardens. 1,738 more words
Most geologists will be familiar with Palaeozoic and Mesozoic cephalopods, but their Tertiary counterparts are much less well known. It isn’t that Tertiary cephalopods are rare as such – at some localities they can be quite common – but their diversity is extremely low. 2,456 more words
Greetings and welcome to the final day of Prehistoric Shark Week! All week we have covered sharks that swam in Arkansas during the Cretaceous Period. The dinosaurs get all the press, but we had a diverse marine ecology during that time. 863 more words