Leucichthyops vagans was a species of prehistoric salmonid fish which lived in what’s now western North America during the middle of the Cretaceous Period approximately 100 million years ago. The species was named in 1919 by Theodore D. A. Cockerell,… Read More ›
marine
Dakosaurus
There were numerous kinds of marine reptiles which swam in the oceans during the Mesozoic Era, including the ichthyosaurs, plesiosaurs, and mosasaurs. Less well known are the marine crocodilians, or more accurately, crocodylomorphs. These animals are known as the thalattosuchians,… Read More ›
Pliosaurus
We all know that dinosaurs walked the earth in prehistoric times, and many of us are also aware that pterosaurs flew across the skies and fearsome marine reptiles swam in the oceans. Some of these marine reptiles (which weren’t dinosaurs,… Read More ›
Acamptonectes
Acamptonectes densus was a 4 meter (13 foot) long ichthyosaur which swam in the seas around western Europe during the early Cretaceous Period 131-129 million years ago. The first specimen was found in the seaside village of Speeton, Yorkshire, England… Read More ›
Hastanectes
Hastanectes valdensis, whose name means “the Hastings swimmer from the Weald”, was a prehistoric marine reptile which swam the seas around Europe during the early Cretaceous Period approximately 140 to 135 million years ago. The first fossils of this creature… Read More ›
Leptocleidus
Leptocleidus was a genus of plesiosaur which lived in the oceans during the early Cretaceous Period about 135 to 125 million years ago. It measured just 10 feet long, which is quite small for a plesiosaur. Three species of Leptocleidus… Read More ›
Arthropterygius
Arthropterygius, “jointed fin”, was a genus of ichthyosaur which lived in the Arctic Ocean during the Jurassic/Cretaceous transition period about 150 to 140 million years ago. Fossils of it have been found in Canada, Scandinavia, and Russia, and bones which… Read More ›
Liopleurodon
The middle to late 19th Century can arguably be seen as the glory days of paleontology. While this time frame is often associated with the discovery of dinosaurs and the so-called “Bone Wars” of the American West, discoveries were also… Read More ›
Megalneusaurus, Before and After
Back in 2013, I posted a picture of the 25 foot long pliosaur known as Megalneusaurus, which swam in a shallow sea that once covered the central part of North America during the middle and late Jurassic Period. The illustration… Read More ›
Ophthalmosaurus
Ophthalmosaurus was a 20 foot long ichthyosaur which swam in the oceans around Europe during the middle and late Jurassic Period. It is named after its distinctive large eyes. The coloration in the illustration that you see below is… Read More ›
DINOSAURS AND BARBARIANS 