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On land, early flowering plants were blooming in the state. [3] The fossil of the hadrosaurid dinosaur Parrosaurus have been found in Bollinger County. In fact, fossils of Parrosaurus are among the only known dinosaur remains in the state. [3] The Mississippi embayment still covered part of Missouri during the early Cenozoic.
Hypsibema missouriensis (/ ˌ h ɪ p s ɪ ˈ b iː m ə m ɪ ˌ z ʊər i ˈ ɛ n s ɪ s /; [1] originally Neosaurus missouriensis, first renamed to Parrosaurus missouriensis, [1] [2] also spelled Hypsibema missouriense [3]) is a species of plant-eating dinosaur in the genus Hypsibema, and the state dinosaur of the U.S. state Missouri.
Fossils of Tawa-like dinosaurs have also been found in South America, which has important indications about paleogeography. During the Early Jurassic Period, dinosaurs such as Dilophosaurus, Anchisaurus, Coelophysis (formerly known as Megapnosaurus), and the early thyreophoran Scutellosaurus lived in North America.
This list of the Paleozoic life of Missouri contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Missouri and are between 538.8 and 252.17 million years of age. There is no Permian age rocks on the surface in Missouri, so beware of any fossils identified as such in the state.
Currently, excavation is being conducted by the Missouri Ozark Dinosaur Project. [4] [15] The site has been covered to prevent water from flowing over dig material. [11] [15] The Chronister dig site near Glen Allen, currently under private ownership by Stinchcomb, [12] who purchased the site from the Chronister family in the early 1980s. [15]
First known non-avian dinosaur skeleton from the United States. Discovered in 1858 in Haddonfield, New Jersey. Hierosaurus: Upper Cretaceous: herbivore: A dubious genus of nodosaur unearthed in Kansas. Hypsibema: Upper Cretaceous: herbivore: Little known hadrosaur first discovered in North Carolina in 1869. Better material of a second species ...
Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris †Alethopteris †Alethopteris davreuxi †Alethopteris decurrens †Alethopteris grandini †Alethopteris serlii †Alethopteris valida †Amphiscapha † Ananias †Annularia †Annularia sphenophylloides †Annularia stellata †Anomphalus †Anthracoceras
Local mammals diversified significantly during the Jurassic. The Morrison Formation is the best source of Jurassic mammal fossils in North America. [67] Local dinosaurs included the ornithopod Camptosaurus, the sauropods Apatosaurus and Diplodocus, and the theropod Allosaurus. [68]