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Paleontology in Arkansas refers to paleontological research occurring within or conducted by people from the U.S. state of Arkansas. The fossil record of Arkansas spans from the Ordovician to the Eocene. [1] Nearly all of the state's fossils have come from ancient invertebrate life. [1] During the early Paleozoic, much of Arkansas was covered ...
This article contains a list of fossil-bearing stratigraphic units in the state of Oklahoma, U.S. Sites ... List of Formations in the National Geologic Map Database ...
This article contains a list of fossil-bearing stratigraphic units in the state of Arkansas, U.S. Sites. Group or Formation Period
This list of the Paleozoic life of Arkansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arkansas and are between 541 and 252.17 million years of age.
The Everton Formation is a geologic formation in northern Arkansas through Missouri, Illinois and Indiana that dates to the middle Ordovician Period. [3] It was named by Ulrich (1907) for exposures found around Everton, Arkansas. Fossils of Conodonts Paraprioniodus costatus and Leptochirognathus quadratus indicate Whiterockian age. [4]
The Ozan Formation is a geologic formation in Arkansas, Oklahoma [1] and Texas. It preserves fossils dating back to the Cretaceous period. Paleofauna. Ostracods
Unusual trees found fossilized in Canada were buried alive 350 million years ago. Scientists say the discovery opens a new window into the history of life on Earth. Rare ancient tree discovery has ...
Fossil of the Carboniferous horsetail relative Annularia †Annularia †Annularia sphenophylloides †Annularia stellata †Anomphalus †Anthracoceras †Aphlebia †Archaeocidaris; Archaeolithophyllum †Archeria †Archimedes †Archimedes distans †Archimedes meekanoides †Archimedes meekanus – or unidentified comparable form †Arkanites