Seymour Quarry tracksite (QM): Cenomanian, Australia
collected by G. Seymour, R. McKenzie, R. Tedford, R. Thulborn, M. Wade 1967, 1971, 1976
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Wintonopus latomorum
Thulborn and Wade 1984
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Thulborn and Wade 1984 | |||||||||
| QM F12264 | ||||||||||
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Skartopus australis
Thulborn and Wade 1984
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Thulborn and Wade 1984 | |||||||||
| synonym of Wintonopus latomorum | ||||||||||
| QM F12265 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Australia | State/province: | Queensland |
| Coordinates: | 23.1° South, 142.8° East (view map) | ||
| Paleocoordinates: | 52.8° South, 132.7° East | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 226 meters | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Geological group: | Rolling Downs | Formation: | Winton | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: same level as Lark Quarry | |||||
Lithology and environment
| Primary lithology: | paleosol/pedogenic,ferruginous,red poorly lithified sandstone |
| Secondary lithology: | mudstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "red arkosic sandstone...This friable sandstone overlies a weathered mudstone, and its lower surface is infiltrated by dark brown ironstone...Traces of plant rootlets." | |
| Environment: | lacustrine indet. |
| Geology comments: lacustrine origin. "Sandstones above and below the footprint bed probably resulted from periodic sheet-floods...Shrinkage of the lake had exposed extensive mud-flats marked with narrow run-off channels." | |
Taphonomy
| Modes of preservation: | cast,mold/impression,trace |
| Degree of concentration: | -single event |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | good |
| Associated major elements: | many |
| Disassociated major elements: | some |
| Fragmentation: | none |
| Encrustation: | none |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),peel or thin section,field collection,observed (not collected) | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | G. Seymour, R. McKenzie, R. Tedford, R. Thulborn, M. Wade | Collection dates: | 1967, 1971, 1976 |
| Collection method comments: more than 130 individual dinosaurs | |||
Metadata
| Also known as: | Winton | ||
| Database number: | 62556 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2006-07-21 14:40:11 | Last modified: | 2022-05-12 03:15:01 |
| Access level: | the public | Released: | 2006-07-21 14:40:11 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 62193. | M. Wade. 1979. Tracking dinosaurs: the WInton excavation. Australian Natural History 19(9):286-291 [M. Carrano/M. Carrano] |
Secondary references:
| 18059 | ETE | 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] |
| 61634 | R. A. Thulborn and M. Wade. 1984. Dinosaur trackways in the Winton Formation (mid-Cretaceous) of Queensland. Memoirs of the Queensland Museum 21(2):413-517 [M. Carrano/M. Carrano] |