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Cretodus

Cretodus, meaning “chalk tooth”, was a 22 foot long shark which lived throughout the world during the middle to late Cretaceous Period 100-85 million years ago. Cretodus was one of the first “modern” sharks to appear on earth during the… Read More ›

Todiltia

Todiltia schoewei was a small prehistoric saltwater fish which lived in North America during the middle Jurassic Period 165 million years ago. Fossils of this fish have been found in Colorado and New Mexico within the Todilto Limestone Member of… Read More ›

Occithrissops

Occithrissops willsoni was an 8 inch (20 cm) long saltwater fish which lived within the Sundance Sea during the middle Jurassic Period 165 million years ago. During the middle of the Jurassic Period, much of the center of North America… Read More ›

Plesiosuchus

Plesiosuchus was a 20 foot long marine crocodylomorph which lived in the tropical sea which once covered Europe during the late Jurassic Period 155-150 million years ago. In the 1860s, fragmentary fossils were discovered in Dorset, England by a local… Read More ›

Xenacanthus

Xenacanthus, meaning “strange spine”, was a 3 foot long shark-like freshwater fish which lived in North America, South America, Europe, and Asia from the second half of the Carboniferous Period to the end of the Permian Period, approximately 323-251 million… Read More ›

Ornitholestes

Ornitholestes, “the bird thief”, was a small meat-eating dinosaur which lived in western North America during the late Jurassic Period about 154 million years ago. Since its discovery in the year 1900, Ornitholestes has come to be regarded as the… Read More ›

“Cannon Fever”: Post-Traumatic Stress Disorder in the American Civil War

Civil War reenactors portraying Union Army artillerymen fire a cannon at Fort Pickens, Florida. Photo courtesy of the National Parks Service. Public domain image. https://www.nps.gov/media/photo/gallery-item.htm?id=f542dd79-817a-4cbc-a15e-fe86ba00eb48&gid=29D48948-1DD8-B71C-070A-F9F53A420D29. Our story begins on August 9, 1862 at the Battle of Cedar Mountain. The day… Read More ›