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The Connecticut River Valley trackways are the fossilised footprints of a number of Early Jurassic dinosaurs or other archosauromorphs from the sandstone beds of Massachusetts and Connecticut. The finding has the distinction of being among the first known discoveries of dinosaur remains in North America.
Grallator (GRA-lÉ™-tor) is an ichnogenus (form taxon based on footprints) which covers a common type of small, three-toed print made by a variety of bipedal theropod dinosaurs. Grallator-type footprints have been found in formations dating from the Early Triassic through to the early Cretaceous periods.
The footprints were first discovered in the 1960s by station manager, Glen Seymour, in the nearby Seymour Quarry. Palaeontologists from the Queensland Museum, including Mary Wade and Tony Thulborn and the University of Queensland excavated Lark Quarry during 1976–77 (the quarry was named after Malcolm Lark, a volunteer who removed a lot of the overlying rock.)
The footprints, dating back to the Early Cretaceous period, were found in Brazil and in Cameroon, researchers wrote in a study published Monday by the New Mexico Museum of Natural History & Science.
Dinosaur footprints and trackways are found in at least 50 localities in the Glen Rose, primarily at the top of the Upper Glen Rose and a smaller number at the top of the Lower Glen Rose. [30] The most famous of these sites is the Paluxy River site in Dinosaur Valley State Park near the town of Glen Rose, Texas, southwest of Fort Worth.
Later, these footprints were considered as evidence for the world's largest Triassic theropod, with legs towering over 2 metres tall. [3] A 3D evaluation of the fossil indicated the footprint length was much smaller than previously reported (34 cm rather than 46 cm long) and its shape was characteristic of the trace fossil genus ( ichnogenus ...
The East Berlin Formation is an Early Jurassic geological formation in New England, United States. Dinosaur footprints and trackways are abundant in this formation. These tracks include Eubrontes (belonging to medium-sized-theropods similar to Dilophosaurus), Anchisauripus (belonging to small theropods like Coelophysis), and Anomoepus (belonging to indeterminate small ornithischians). [1]