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One of the earliest notable events in Pennsylvania paleontology was the October 5th, 1787 presentation by Caspar Wistar and Timothy Matlack of a probable dinosaur metatarsal discovered in Late Cretaceous rocks near Woodbury Creek in New Jersey as "'a large thigh bone'" to the American Philosophical Society in Philadelphia. [19]
Fossil of the Middle-Late Ordovician giant trilobite Isotelus. †Isotelus †Isotelus gigas †Kiaeropterus †Kingstonia †Kladognathus †Kootenia †Kutorgina †Lancastria †Langlieria †L. radiatus – type locality for species †L. smalingi – type locality for species [2] †Lepidostrobus †Leptomitus †Lenisicaris
The Mississippian carbonates of Tennessee are very rich in fossils. [3] In the Mississippian Tennessee was home to large fish, abundant conodonts, and plants. [2] Swampy conditions prevailed in Tennessee during the later part of the Mississippian epoch. [8] During the Pennsylvanian epoch Tennessee was home to vast river systems flowing toward ...
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Evidence from the study of skull bones of immature specimens of Daspletosaurus from the Dinosaur Park Formation (Alberta, Canada), indicating that skull material of Daspletosaurus and Gorgosaurus can be confidently identified regardless of ontogenetic stage of the specimens, is presented by Coppock et al. (2024).
Minneapolis–Saint Paul (Mississippi River bluffs) Platteville Limestone: Ordovician: North America: US: Minnesota: Burgoon Run in Blair County, Pennsylvania [Note 2] [citation needed] Pocono Formation: Carboniferous (Mississippian) North America: US: Maryland, Pennsylvania, West Virginia: Lee Creek Mine: Pungo River Formation: Miocene: North ...
This sets a new record for the smallest found dinosaur egg. The previous record for the smallest non-avian dinosaur egg, according to Guinness World Records , measures 45-by-20 millimeters (about ...
Fossil of the Middle-Late Ordovician giant trilobite Isotelus. †Isotelus †Kockelella †Krausella †Lingulella †Lonchodomas †Marsupiocrinus †Meristella †Meristina †Monomorphichnus †Orthoceras †Ozarkodina †Ozarkodina confluens †Paciphacops; Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites ...