Vertical sections through dinosaur tracks (Late Triassic lake deposits, East Greenland) - Undertracks and other subsurface deformation structures revealed

Lethaia

Volumn 37, Issue 3, 2004, Pages 285-296

  Milàn, Jesper ^a   Clemmensen, Lars B ^a   Bonde, Niels ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Lake sediments; Late Triassic; Theropod tracks; Undertracks; Walking dynamics

Indexed keywords

DINOSAUR; ICHNOLOGY; LACUSTRINE DEPOSIT; TRACKWAY; TRIASSIC;

ARCTIC; EAST GREENLAND; GREENLAND;

DINOSAURIA; THEROPODA; VERTEBRATA;

EID: 5144227984     PISSN: 00241164     EISSN: None     Source Type: Journal    
DOI: 10.1080/00241160410002036     Document Type: Article

References (24)

1. Avanzini, M. 1998: Anatomy of a footprint: Bioturbation as a key to understanding dinosaur walk dynamics, Ichnos 6, 129-139.
2. Alexander, R. McN. 1976: Estimates of speeds of dinosaurs. Nature 261, 129-130.
3. Allen, J.R.L. 1997: Subfossil mammalian tracks (Flandrian) in the Severn Estuary, S.W. Britain: mechanics of formation, preservation and distribution. Philosophical Transactions of the Royal Society London, B 352, 481-518.
4. Bromley, R.G. & Asgaard, U. 1979: Triassic freshwater ichnocoenosis from Carlsberg Fjord, East Greenland. Palaeogeography, Palaeoclimatology, Palaeoecology 28, 39-80.
5. Brown Jr., T. 1999: The Science and Art of Tracking. 219 pp. Berkley Books, New York.
6. Christiansen, P. 1997: Hindlimbs and feet. In Currie, P.J. & Padian, K. (eds): Encyclopedia of Dinosaurs, 320-328. Academic Press.
7. Clemmensen, L.B., Kent, D.V. & Jenkins Jr., F.A. 1998: A Late Triassic lake system in East Greenland: facies, depositional cycles and palaeoclimate. Palaeogeography, Palaeoclimatology, Palaeoecology 140, 135-159.
8. Farlow, J.O., Gatesy, S.M., Holtz Jr., T.R., Hutchinson, J.R. & Robinson, J.M. 2000: Theropod Locomotion. American Zoologist 40, 640-663.
9. Fornós, J.J., Bromley, R.G., Clemmensen, L.B. & Rodriguez-Perea, A. 2002: Tracks and trackways of Myotragus balearicus Bate (Atiodactyla, Caprinae) in Pleistocene aeolianites from Mallorca (Balearic Islands, Western Mediterranean). Palaeogeography, Palaeoclimatology, Palaeoecology 180, 277-313.
10. Gatesy, S.M. 2001: Skin impressions of Triassic theropods as records of foot movement. Bulletin of the Museum of Comparative Zoology 156, 137-149.
11. Gatesy, S.M., Middleton, K.M., Jenkins Jr., F.A. & Shubin, N.H. 1999: Three-dimensional preservation of foot movements in Triassic theropod dinosaurs. Nature 399, 141-144.
12. Hitchcock, E. 1858: Ichnology of New England, A report on the Sandstone of the Connecticut Valley Especially its Fossil Footmarks. 220 pp. W. White, Boston (reprinted by Arno Press in the Natural Science in America Series).
13. Irby, G.V. 1995: Posterolateral markings on dinosaur tracks, Cameron Dinosaur Tracksite, Lower Jurassic Moenave Formation, northeastern Arizona. Journal of Paleontology 69, 779-784.
14. Jackson, S. 2002: How to make dinosaur tracks: interpreting dinosaur footprint formation and preservation using laboratory controlled simulations. The Palaeontological Association Newsletter 51, 81.
15. Jenkins Jr., F. A., Gatesy, S.M., Shubin, N.H. & Amaral, W.W. 1997: Haramiyids and Triassic mammalian evolution. Nature 385, 715-718.
16. Jenkins Jr., F. A., Shubin, N.H., Amaral, W.W., Gatesy, S.M., Schaff, C.R., Clemmensen, L.B., Downs, W.R., Davidson, A.R., Bonde, N. & Osbæck, F. 1994: Late Triassic continental vertebrates and depositional environments of the Fleming Fjord Formation, Jameson Land, East Greenland. Meddelelser om Grønland, Geoscience 32, 1-25.
17. Jenkins Jr., F. A., Shubin, N.H., Gatesy, S.M. & Padian, K. 2001: A primitive pterosaur (Pterosauria: Eudimorphodontidae) from the Greenlandic Triassic. Bulletin of the Museum of Comparative Zoology 156, 151-170.
18. Kent, D.V. & Clemmensen, L.B. 1996: Paleomagnetism and cycle stratigraphy of the Triassic Fleming Fjord and Gipsdalen Formations of East Greenland. Bulletin of the Geological Society Denmark 42, 121-136.
19. Lockley, M. 1991: Tracking Dinosaurs. 238 pp. Cambridge University Press, Cambridge.
20. Milàn, J. & Bromley, R.G. 2002: One foot - many tracks; experiments with undertrack formation in layered cement. In Norman, D. & Upchurch, P. (eds): Symposium of Vertebrate Palaeontology and Comparative Anatomy, SVPCA 50, Abstract Volume. 11-13 September 2002, Cambridge.
21. Milàn, J. & Bromley, R.G. 2003: How to distinguish between true tracks and undertracks - experimental work with artificial substrates. 1st EAVP (European Association of Vertebrate Palaeontologists) Meeting, 15th-19th of July, Basel, Switzerland. Abstracts of papers and posters with program, 1.
22. Milàn, J. & Bromley, R.G. (in press): The impact of sediment consistency on track- and undertrack morphology: experiments with emu tracks in layered cement. In Rainforth, E.C. & McCrea, R.T. (eds): Fossil Footprints. Indiana University Press.
23. Olsen, P.E., Smith, J.B. & McDonald, N.G. 1998: Type material of the type species of the classic theropod footprint genera Eubrontes, Anchisauripus and Grallator (Early Jurassic, Hartford and Deer Basins, Connecticut and Massachutts, USA). Journal of Vertebrate Paleontology 18, 586-601.
24. Thulborn, T. 1990: Dinosaur Tracks. 410 pp. Chapman and Hall, London.