Tegeolepis was a 3 foot long prehistoric saltwater fish which lived at the end of the Devonian Period 362-360 million years ago. It was a primitive member of the group Actinopterygii, or “ray-finned fishes”. In life it vaguely resembled a… Read More ›
Note: This article was originally published on August 31, 2019. It has since been substantially updated and re-published on September 19, 2024. The Morrison Formation of the western United States is one of the most famous deposits of late Jurassic… Read More ›
