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Dinosaur tracks dating back to the Late Triassic were discovered near the Gettysburg battle sites in 1933. [27] Bradford Willard of the Pennsylvania Topographic and Geologic Survey discovered a dinosaur footprint in 1934 near New Cumberland while Route 111 was being widened.
Fossil (right) of the Early Jurassic dinosaur footprint ichnogenus Anomoepus †Anomoepus †Anomoepus gracillimus †Apatopus †Atreipus †Atreipus milfordensis †Batrachopus †Batrachopus gracilis †Belodon †Belodon priscus †Brachychirotherium †Brontozoum †Brontozoum sillimanium †Calamops – type locality for genus
This list of the Paleozoic life of Pennsylvania contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Pennsylvania and are between 538.8 and 252.17 million years of age.
'Discoveries like Sarmientosaurus happen once in a lifetime,' paleontologist Rubén Martínez said in a statement.
Fossil (right) of the Early Jurassic dinosaur footprint ichnogenus Anomoepus †Anomoepus †Appomatoxia – type locality for genus †Appomatoxia ancistrophora – type locality for species † Aquia – type locality for genus † Aquia †Aquia brookensis – type locality for species; Aralia †Aralia dubia †Aratrisporites ...
Dinosaur skull found in New Mexico is a cousin of T. rex — and even bigger, experts say. Dig at ancient cemetery reveals colorful masks and artifacts. See the finds from Egypt.
This is a list of U.S. state dinosaurs in the United States, including the District of Columbia. Many states also have dinosaurs as state fossils , or designate named avian dinosaurs ( List of U.S. state birds ), but this list only includes those that have been officially designated as "state dinosaurs".
The smallest dinosaur ever found – a bird-like creature weighing less than a tenth of an ounce – has been discovered inside a drop of amber, where it was preserved for 99 million years.