Fact #1. The Megalodon Shark Was The Largest Predator That Ever Lived. Reaching lengths of up to 70 feet and an estimated maximum weight of over 60 tons.
Learn about the tyrannosaurid Albertosaurus. Albertosaurus was a large theropod from the Late Cretaceous. It is famously found in the dinosaur-rich, Horseshoe Canyon Formation of Alberta, Canada.
Learn about Allosaurus. Allosaurus was one of the most fearsome predatory dinosaurs in the Jurassic Period.
Ammonite facts and ammonites fossils for sale. Ammonites were prehistoric, coiled cephalopods whose fossils are found worldwide.
Learn about crinoids. Crinoids are an echinoderm related to starfish, sea urchins, and brittle stars.
Learn about dinosaur teeth. Why do different dinosaurs have vastly different looking teeth? Which dinosaurs have the largest and smallest teeth?
Learn about Hadrosaurs, commonly referred to as a duck-billed dinosaur. FossilEra also has quality hadrosaur fossils for sale.
Learn about mammoth molars/teeth including identifying growth stages, placement in the jaw and species.
Spinosaurus was the largest known meat-eating dinosaur and also the first known semi-aquatic dinosaur.
The horned Triceratops is one of the most recognizable of all dinosaurs. Find out more...
So, how do we know how old a fossil is? There are two main types of fossil dating, relative dating and absolute dating.
A fossil is the preserved remains or traces of organisms (plants, animals, etc) that lived in the distant past. Learn more about fossils...
A current list of the official state fossil designations by state with information and photos.
Learn about the biggest and most bad-ass predator to ever inhabit earth's oceans, the 60 foot Megalodon Shark!
Most current, scientifically accepted estimates for the Megalodon's maximum size fall into the 60-70 foot range, with a weight of 50-70 tons.
Mosasaurs are very large extinct marine reptiles with some species reaching lengths of over 50 feet and are considered to be some of the fearsome predators to ever inhabit our oceans.
Preparation photos of a great Utaspsis marjumensis trilobite collected in the spring of 2013.
Learn about trilobites. Trilobites were an extinct marine arthropod that lived during the Paleozoic era.