Orodus was a prehistoric saltwater fish which lived from the late Devonian Period to the middle Permian Period 380-278 million years ago. The genus Orodus was officially named by the famous Swiss ichthyologist Louis Agassiz in 1838. It became the… Read More ›
Ctenacanthus, meaning “comb spine”, was a prehistoric proto-shark which lived from the late Devonian Period to the early Permian Period 370-270 million years ago. The genus Ctenacanthus was named by the famous Swiss ichthyologist Louis Agassiz in 1837 for fossilized… Read More ›
Sphenacanthus, meaning “wedge spine”, was a genus of primitive proto-shark measuring 3 feet long which lived from the late Devonian Period to the end of the Permian Period 360-252 million years ago. Sphenacanthus was named in 1837 by the Swiss… Read More ›
Byronosaurus was a 6 foot long raptor dinosaur which lived in Mongolia during the late Cretaceous Period 75 million years ago. Fossils of it have been found in the Djadochta Formation within Mongolia’s Gobi Desert, a place rich in Cretaceous-aged… Read More ›
Saurornithoides was a 6 foot long raptor dinosaur which lived in Mongolia during the late Cretaceous Period 75 million years ago. Fossils of it have been found in the Djadochta Formation within Mongolia’s Gobi Desert, a place rich in Cretaceous-aged… Read More ›
Plioplatecarpus was a mosasaur which lived during the late Cretaceous Period 80-66 million years ago. The name means “more/closer towards Platecarpus“, which was the name of another late Cretaceous mosasaur. Five different species of Plioplatecarpus are currently recognized. The image… Read More ›
Most ceratopsians, or horn-faced dinosaurs, were medium to large-sized beasts often measuring 20-30 feet long. However, many others were much smaller. One of these was a 6 foot long pygmy-sized ceratopsian called Leptoceratops which inhabited North America at the very… Read More ›
After a long period of hemming, hawing, delaying, and dithering, I have bitten the bullet and I’ve set up a YouTube channel for my publishing brand JRA Books. Here, I will be posting videos concerning my books and the historical… Read More ›
Introduction Most people equate the large ceratopsian dinosaur Triceratops as the arch enemy of Tyrannosaurus. Hundreds, perhaps thousands of artworks show these two species forever locked in mortal combat. But Triceratops was not the only horned dinosaur to dwell in… Read More ›
Hello dinos and barbs! I’m pleased to announce that my fourth book has recently been published. If you’ve been following this page for a while, then you might remember that my intention was to publish another book about ancient Rome… Read More ›
