Keiko swims with a pod of Ichthyotitan severnensis, a truly gigantic shastasaurid icthyosaur which lived about 205-202 million years ago at the end of the Triassic of what is now southern England and at 25 meters long is possibly the single largest Mesozoic marine reptile ever discovered, in her mermaid form.
Need to get on that tumblr grind so here is an allosaurus. Based on my favorite fossil, big Al, with the coloration of a snowy owl. Can be interpreted as any allosaurus tho