In This Article Ichthyosaurs were not dinosaurs but a distinct order of Mesozoic marine reptiles. The name comes from the ...

Often referred to as “living fossils” or “dinosaur fish,” lake sturgeon first appeared in the fossil record in the Mesozoic Era, 100 million to 150 million years ago, according to the DNR.

A pilot to digitise all British Mesozoic vertebrate specimens held at the Museum. We are digitising our country’s amazing collection of dinosaurs, flying reptiles, prehistoric fish, sharks and ...