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Some of Pennsylvania's most important fossil finds were made in the state's Devonian rocks. [2] Carboniferous Pennsylvania was a swampy environment covered by a wide variety of plants. The latter half of the period was called the Pennsylvanian in honor of the state's rich contemporary rock record. By the end of the Paleozoic the state was no ...
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".
This list of the prehistoric life of Pennsylvania contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
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.
Triceratops (/ t r aɪ ˈ s ɛr ə t ɒ p s / try-SERR-ə-tops; [1] lit. ' three-horned face ') is a genus of chasmosaurine ceratopsian dinosaur that lived during the late Maastrichtian age of the Late Cretaceous period, about 68 to 66 million years ago in what is now western North America.
Ohio: Ordovician: Trilobite: Isotelus maximus (Fossil invertebrate) 1985 [33] Devonian: Dunkleosteus: Dunkleosteus terrelli (Fossil Fish) 2021 [34] Oklahoma: Jurassic: Saurophaganax: Saurophaganax maximus: 2000 [35] Oregon: Eocene: Dawn redwood: Metasequoia: 2005 Pennsylvania: Devonian: Trilobite: Phacops rana: 1988 [36] Rhode Island: Paleozoic ...
Ankylosaurus [nb 1] is a genus of armored dinosaur. Its fossils have been found in geological formations dating to the very end of the Cretaceous Period, about 68–66 million years ago, in western North America, making it among the last of the non-avian dinosaurs. It was named by Barnum Brown in 1908; it is monotypic, containing only A ...
Triceratops horridus: BMRP 2006.4.1 Homer Burpee Museum of Natural History: Rockford: Illinois: USA: Sub-adult specimen Skull Triceratops horridus: FMNH P12003 Field Museum of Natural History: Chicago: Illinois: USA: Skeleton, mounted Triceratops prorsus: CM 1219 Carnegie Museum of Natural History: Pittsburgh: Pennsylvania: USA: Skeleton ...