A Data Visualization by Jeffrey Rice
Code available on Github here. Created using all free resources and open source code:
The fossil data is from the Paleo Database at Paleobiodb.org
The timeline + map section were originally forked from the open source Svelte visualization project and influenced by the Foreign Interference Attribution Tracker and it's developer Matthias Stahl (higsch | data & design)..
Additional images and information from Smithsonian Dinosaur atlas, Wikipedia, and other free sources.