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Tyrannosauripus

Dinosaur footprint

Dinosaur footprint

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. 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 the giant theropod dinosaur Tyrannosaurus rex. In 2016 the size of this individual was estimated at 11.4 meters (37.4 ft) and 5.8-6.9 tonnes (6.4-7.6 short tons). Similar tridactyl dinosaur tracks in North America were discovered earlier and named Tyrannosauropus in 1971, but they were later recognized as hadrosaurid tracks and their description deemed inadequate, with Tyrannosauropus regarded as a nomen dubium. In 2016, a probable fossil trackway of Tyrannosaurus was discovered in Wyoming (Lance Formation).

References

References

  1. Lockley, M. G.; Hunt, A. P. (1994). A track of the giant theropod dinosaur ''Tyrannosaurus'' from close to the Cretaceous/Tertiary Boundary, northern New Mexico. ''Ichnos'', '''3'''(3): 213-218.
  2. Molina-Pérez & Larramendi. (2016). "Récords y curiosidades de los dinosaurios Terópodos y otros dinosauromorfos". Larousse.
  3. Peterson, W. (1924). Dinosaur tracks in the roofs of coal mines. ''Natural History'', '''24''':388-391.
  4. Haubold, H. (1971). Ichnia Amphiborum et Reptiliorum Fossilium. ''Handbuch der Palaeoherpetologie Teil 18.'' Gustav Fischer Verlag, Stuttgart. 124 pp.
  5. True footprints likely from ''Tyrannosaurus'' would not be found until the discovery of ''Tyrannosauripus''. In 2007, a large [[tyrannosaurid]] track was found also in eastern [[Montana]] ([[Hell Creek Formation]]).Manning, P. L., et al. (2008). A probable tyrannosaurid track from the Hell Creek Formation (Upper Cretaceous), Montana, United States. ''Palaios'' '''23'''(10):654-647.
  6. Smith, S. D., Persons IV, W. S., Xing L. (2016). A tyrannosaur trackway at Glenrock, Lance Formation (Maastrichtian), Wyoming. ''Cretaceous Research'' '''61''', 1-4.
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theropod-trace-fossils fossil-trackways tyrannosauridae
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