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The concept goes all the way back to the 1858 ichnological research of the Reverend Edward Hitchcock performed on the Newark Basin dinosaur tracks. Because underprints are produced indirectly they can only preserve the basic anatomy of the trackmaker's foot, whereas true tracks can preserve fine details skin impressions in favorable circumstances.
Print/export Download as PDF; Printable version; In other projects ... "New saurischian dinosaur footprints from the Lower Jurassic of Poland", Geological Quarterly ...
Tyrannosauropus is a dubious ichnogenus of tridactyl dinosaur footprint from the Campanian of the Late Cretaceous of North America. Tyrannosauropus was named for a collection of footprints discovered on the ceiling of a cave in Utah which were suggested to have been made by Tyrannosaurus and informally labelled as "Tyrannosauripus" in 1924 (not to be confused with the separate, later ...
Tyrannosauripus is an ichnogenus of dinosaur footprint. It was discovered by geologist Charles "Chuck" Pillmore in 1983 and formally described by Martin Lockley and Adrian Hunt in 1994. [ 1 ] This fossil footprint from northern New Mexico is 96 cm long and given its Late Cretaceous age (about 66 million years old), it very likely belonged to ...
Wakinyantanka (from Lakota Wakíŋyaŋ Tȟáŋka, "great thunderbird") is an ichnogenus of footprint produced by a large theropod dinosaur from the Late Cretaceous Hell Creek Formation of South Dakota. Wakinyantanka tracks are large with three long, slender toes with occasional impressions of a short hallux and narrow metatarsals.
Theropod footprint at the Purgatoire River dinosaur track site, Picket Wire Canyonlands, Colorado, U.S.A. Interp Panel 1 Interp Panel 2 Interp Panel 3 The Purgatoire River track site , also called the Picketwire Canyonlands tracksite , is one of the largest dinosaur tracksites in North America . [ 1 ]
Grallator (GRA-lə-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.
Trace fossils, also called ichnofossils, are structures preserved in sedimentary rocks that record biological activity. Trace fossils made by dinosaurs include such nonbody remains as footprints, eggs, and coprolites (fossil feces), and are important documents of the activities of dinosaurs in life.
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