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The invertebrate fossils of Maryland are similar to those of neighboring Delaware. [1] For most of the early Paleozoic era, Maryland was covered by a shallow sea, although it was above sea level for portions of the Ordovician and Devonian. The ancient marine life of Maryland included brachiopods and bryozoans while horsetails and scale trees ...
Paleontology in Maryland; References. Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" This page was ...
This list of the Paleozoic life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland and are between 538.8 and 252.17 million years of age.
Dinosaurs present include the large theropod Acrocanthosaurus, [6] [7] [8] the giant sauropod Astrodon, the possible ornithischian Magulodon, [6] the poorly known theropods "Allosaurus" medius, "Creosaurus" potens, and "Coelurus" gracilis, the ornithomimosaurian "Dryosaurus" grandis, [9] as well as another indeterminate ornithomimosaurian (though it most likely is Nedcolbertia), [10] the ...
The Calvert Formation is a geologic formation in Maryland, Virginia, and Delaware. It preserves fossils dating back to the early to middle Miocene epoch of the Neogene period . It is one of the three formations which make up the Calvert Cliffs , all of which are part of the Chesapeake Group .
Abra – tentative report † Abra longicalla Acanthodesia † Acanthodesia oblongula † Acanthodesia savartii † Acantodesia † Acantodesia oblongula Illustration of a living Acipenser sturgeon Acipenser † Acrocoelum † Acrocoelum richardsi – type locality for species Acropora † Acropora palmata Acteocina † Acteocina canaliculata Acteon † Acteon danicus – type locality for ...
Greta Cross, USA TODAY October 23, 2024 at 11:30 AM Push aside imagery of the towering Tyrannosaurus rex because the smallest-ever dinosaur eggs have been unearthed and represent an all new type ...
Discovery News video, "Dinosaur Park Open to All", 2010-02-17 Archived 2011-04-06 at the Wayback Machine; Washington Post article, "Laurel area rich in dinosaur fossils is dedicated as a park", 2009-10-27 "Astrodon Rediscovered: America's First Sauropod" by Peter M. Kranz; Maryland State Dinosaur Archived 2011-03-31 at the Wayback Machine