Recent Posts
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Sphenacanthus
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 ›
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Byronosaurus
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 ›
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Saurornithoides
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 ›
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Plioplatecarpus
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 ›
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Leptoceratops
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 ›
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Announcement: I now have a YouTube channel!
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 ›
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Torosaurus
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 ›
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My fourth book has been published!
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 ›
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Estesesox
Introduction Pikes are some of the largest carnivorous freshwater fish today. Some species grow to be 5 feet long and are the dominant predators in their watery world. Pikes belong to the family Esocidae, which also includes blackfish and mud… Read More ›
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Acronichthys
Acronichthys was a tiny fish measuring just 4 cm (1.6 inches) long which lived in freshwater environments within western North America during the late Cretaceous Period 90-66 million years ago. Fossils of this fish, or fossils which might belong to… Read More ›
