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| thickness = Up to {{convert|2500|m|ft|abbr=on}} |
| thickness = Up to {{convert|2500|m|ft|abbr=on}} |
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| extent = [[Gippsland Basin]] |
| extent = [[Gippsland Basin]] |
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| map = |
| map = Eumeralla and Wonthaggi locations.jpeg |
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|map_caption=Exposure of Wonthaggi Formation green in bottom-right|image=Flat rocks.jpeg|caption=Flat rocks locality}} |
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| width = 250 |
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{{Location map~ | Australia |
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| lat_deg = -38.7 |
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| lon_deg = 145.7 |
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| mark = Green pog.svg |
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| marksize = 12 |
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The '''Wonthaggi Formation''' is an informal geological [[Formation (geology)|formation]] in Victoria, Australia whose strata date back to the [[Early Cretaceous]]. It is part of the [[Strzelecki Group]] within the [[Gippsland Basin]]. Dinosaur remains are among the fossils that have been recovered from the formation.<ref name="cretaceousdistribution">Weishampel, David B; ''et al.'' (2004). "Dinosaur distribution (Early Cretaceous, Australasia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 573-574. {{ISBN|0-520-24209-2}}.</ref><ref>. |
The '''Wonthaggi Formation''' is an informal geological [[Formation (geology)|formation]] in Victoria, Australia whose strata date back to the [[Early Cretaceous]]. It is part of the [[Strzelecki Group]] within the [[Gippsland Basin]]. Dinosaur remains are among the fossils that have been recovered from the formation.<ref name="cretaceousdistribution">Weishampel, David B; ''et al.'' (2004). "Dinosaur distribution (Early Cretaceous, Australasia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 573-574. {{ISBN|0-520-24209-2}}.</ref><ref>. |
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{{citation |title=Wonthaggi Formation |url=http://dbforms.ga.gov.au/pls/www/geodx.strat_units.sch_full?wher=stratno=33943 |work=Australian Stratigraphic Units Database |publisher=[[Geoscience Australia]] |accessdate=2011-09-18}}</ref> It is partially equivalent to the [[Eumeralla Formation]]. |
{{citation |title=Wonthaggi Formation |url=http://dbforms.ga.gov.au/pls/www/geodx.strat_units.sch_full?wher=stratno=33943 |work=Australian Stratigraphic Units Database |publisher=[[Geoscience Australia]] |accessdate=2011-09-18}}</ref> It is partially equivalent to the [[Eumeralla Formation]]. |
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| Wonthaggi Formation | |
|---|---|
| Stratigraphic range: Valanginian - Aptian[1] | |
Flat rocks locality
| |
| Type | Geological formation |
| Unit of | Strzelecki Group |
| Underlies | Unconformity with Wombat Volcanics & Kersop Arkose |
| Overlies | Paleozoic basement |
| Thickness | Up to 2,500 m (8,200 ft) |
| Lithology | |
| Primary | Volcaniclastic sandstone, siltstone |
| Other | Conglomerate, coal |
| Location | |
| Coordinates | 38°42′S 145°42′E / 38.7°S 145.7°E / -38.7; 145.7 |
| Approximate paleocoordinates | 77°00′S 117°30′E / 77.0°S 117.5°E / -77.0; 117.5 |
| Region |  Victoria |
| Country |  Australia |
| Extent | Gippsland Basin |
 Exposure of Wonthaggi Formation green in bottom-right | |
The Wonthaggi Formation is an informal geological formation in Victoria, Australia whose strata date back to the Early Cretaceous. It is part of the Strzelecki Group within the Gippsland Basin. Dinosaur remains are among the fossils that have been recovered from the formation.[1][2] It is partially equivalent to the Eumeralla Formation.
Indeterminate ornithopod remains are present in Victoria, Australia.[4] Indeterminate megaraptorid remains are present in Victoria, Australia.[5]
| Dinosaurs of the Wonthaggi Formation | ||||
|---|---|---|---|---|
| Genus | Species | Presence | Notes | Images |
|
A. loadsi[4] |
Geographically present in Victoria, Australia.[4] |
  | ||
|
F. australe[1] |
Geographically present in Victoria, Australia.[1] |
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|
G. dorisae[4] |
Geographically present in Victoria, Australia.[4] |
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|
Q. intrepidus[1] |
Geographically present in Victoria, Australia.[1] |
"[Three] dentaries and teeth."[6] | ||
|
S. arthurclarkei[1] |
Geographically present in Victoria, Australia.[1] |
|||
|
Indeterminate |
Possibly also present at the Eumeralla Formation (footprints). |
Single furcula. | ||
| Ankylosauria[8] | Indeterminate | Flat Rocks locality | Teeth, dorsal vertebra, ribs, osteoderms | |
| Amphibians of the Wonthaggi Formation | ||||
|---|---|---|---|---|
| Genus | Species | Presence | Notes | Images |
| Koolasuchus | K. cleelandi | Tree Trunk Point, Dwyers Hill, San Remo | Chigutisaurid temnospondyl, last known temnospondyl |  |
| Mammals of the Wonthaggi Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Ausktribosphenos | A. nyktos | Flat rocks | Partial dentary with teeth | Ausktribosphenid | |
| Bishops | B. whitmorei | Partial dentary with teeth | Ausktribosphenid | ||
| Corriebaatar | C. marywaltersae | "NMV P216655, a fragment of a left dentary bearing a complete plagiaulacoid p4 and the anterior root of m1" | Multituberculate |  | |
| Kryoparvus | K. gerriti | Partial dentary with teeth | ?Ausktribosphenid | ||
| Teinolophos | T. trusleri | Partial dentary with teeth | Monotreme | ||
