Ammosaurus (Greek for "sandy lizard"); pronounced AM-moe-SORE-us
Woodlands of eastern North America
Early Jurassic (190-175 million years ago)
Size and Weight:
About 8 feet long and a few hundred pounds
Relatively small size; slender build
In the eyes of most paleontologists, Ammosaurus is one of those "almost, but not quite" dinosaurs of the early Jurassic period. Originally named by the famous paleontologist Othniel C. Marsh (the Greek word "ammo" means "sandy" and has nothing to do with ammunition), this prosauropod may or may not have been a specimen (or possibly a slightly larger species) of the more famous Anchisaurus. Whatever the case, Ammosaurus is one of the few dinosaurs to have been unearthed in modern-day Connecticut, which is more famous for its dinosaur footprints than its dinosaur fossils.