Minyirr tracksite: Valanginian - Barremian, Australia
collected by E. H. Colbert & D. Merrilees 1952

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Iguanodontidae indet. Bonaparte 1850
3 specimens
    = Megalosauropus broomensis n. sp. Colbert and Merrilees 1967
Colbert and Merrilees 1967
see common names

Geography
Country:Australia State/province:Western Australia
Coordinates: 18.0° South, 122.2° East (view map)
Paleocoordinates:50.9° South, 86.4° East
Basis of coordinate:stated in text
Altitude:10 meters
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Key time interval:Valanginian - Barremian
Age range of interval:139.80000 - 121.40000 m.y. ago
Stratigraphy
Formation:Broome Sandstone
Stratigraphic resolution:bed
Stratigraphy comments: mid-Valanginian to mid-Barremian; lowermost exposures of formation at Gantheaume Point
Lithology and environment
Primary lithology:wave ripples,"cross stratification",micaceous sandstone
Secondary lithology: siltstone
Includes fossils?Y
Lithology description: "variegated micaceous sandstones, often strongly crossbedded, with subordinate siltstone...We found ripple marking, with wave lengths varying from two or three to ten or twelve centimeters, to be characteristic..."
Environment:lagoonal
Taphonomy
Modes of preservation:mold/impression,trace
Size of fossils:macrofossils
Spatial orientation:life position
Preservation of anatomical detail:good
Articulated whole bodies:none
Associated major elements:many
Disassociated major elements:some
Disassociated minor elements:none
Fragmentation:occasional
Temporal resolution:time-averaged
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (in situ),peel or thin section,observed (not collected)
Reason for describing collection:taxonomic analysis
Collectors:E. H. Colbert & D. Merrilees Collection dates:1952
Collection method comments: collected only casts of footprints
Metadata
Also known as:Gantheaume Point, Broome
Database number:34824
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2003-10-02 14:46:28 Last modified:2022-09-30 13:42:15
Access level:the public Released:2003-10-02 14:46:28
Creative Commons license:CC BY
Reference information

Primary reference:
75721. J. R. H. McWhae, P. E. Playford, A. W. Lindner, B. F. Glenister, and B. E. Balme. 1958. The stratigraphy of Western Australia. Journal of the Geological Society of Australia 4(2):1-153 [M. Carrano/M. Carrano]

Secondary references:

9300 E. H. Colbert and D. Merrilees. 1967. Cretaceous dinosaur footprints from Western Australia. Journal of the Royal Society of Western Australia 50(1):21-25 [M. Carrano/M. Carrano/M. Carrano]
43969 J. A. Long. 1992. Cretaceous dinosaur ichnofauna from Broome, Western Australia. The Beagle: Records of the Northern Territory Museum of Arts and Sciences 9(1):262 [M. Carrano/M. Carrano]
78718 R. T. McCrea, M. G. Lockley, P. W. Haines and M. Draper. 2011. Palaeontology Survey of the Broome Sandstone—Browse LNG Precinct Report. 1-120 [M. Carrano/M. Carrano]
63423 R. E. Molnar. 1991. Fossil reptiles in Australia. In P. Vickers-Rich, J. M. Monaghan, R. F. Baird, & T. H. Rich (eds.), Vertebrate Paleontology of Australasia 605-702 [M. Carrano/M. Carrano]
18059ETE T. H. Rich and P. Vickers-Rich. 2003. A Century of Australian Dinosaurs. Queen Victoria Museum and Art Gallery and Monash Science Centre, Monash University 1-124 [M. Carrano/M. Carrano]
76634 A. Romilio, J. M. Hacker, R. Zlot, G. Poropat, M. Bosse and S. W. Salisbury. 2017. A multidisciplinary approach to digital mapping of dinosaurian tracksites in the Lower Cretaceous (Valanginian–Barremian) Broome Sandstone of the Dampier Peninsula, Western Australia. Peer J 5:e3013:1-30 [M. Carrano/M. Carrano]
62321 S. W. Salisbury, A. Romilio, M. C. Herne, R. T. Tucker, and J. P. Nair. 2016. The Dinosaurian Ichnofauna of the Lower Cretaceous (Valanginian–Barremian) Broome Sandstone of the Walmadany Area (James Price Point), Dampier Peninsula, Western Australia. Society of Vertebrate Paleontology Memoir 16. Journal of Vertebrate Paleontology 36(6, suppl.):1-152 [M. Carrano/M. Carrano]
79070 J. D. Scanlon. 2006. Dinosaurs and other Mesozoic reptiles of Australasia. In J. R. Merrick, M. Archer, G. M. Hickey, & M. S. Y. Lee (eds.), Evolution and Biogeography of Australasian Vertebrates 265-290 [M. Carrano/M. Carrano]
43264 T. Thulborn. 2009. Megalosauropus broomensis and the many misconceptions of megalosaur tracks. In A. D. Buscalioni & M. F. Martínez (ed.), 10th International Meeting on Mesozoic Terrestrial Ecosystems and Biota, Teruel. Ediciones Universidad Autónoma de Madrid 89-90 [M. Carrano/M. Carrano]
44866 T. Thulborn. 2012. Impact of sauropod dinosaurs on lagoonal substrates in the Broome Sandstone (Lower Cretaceous), Western Australia. PLoS ONE 7(5):36208:1-22 [M. Carrano/M. Carrano/M. Carrano]
17765ETE T. Thulborn, T. Hamley, and P. Foulkes. 1995. Preliminary report on sauropod dinosaur tracks in the Broome Sandstone (Lower Cretaceous) of Western Australia. In M. G. Lockley, V. F. dos Santos, C. A. Meyer, & A. P. Hunt (eds.), Aspects of Sauropod Paleobiology. GAIA 10:85-94 [M. Carrano/M. Carrano/M. Carrano]
82760 M. Zammit and D. Elliott. 2012. Tracks below the tide: Broome’s forebears leave their mark!. Australian Age of Dinosaurs 9:22-37 [M. Carrano/M. Carrano]