Wonthaggi Formation

The Wonthaggi Formation is a geological formation in Victoria, Australia whose strata date back to the Early Cretaceous. It is part of the Strzelecki Group. Dinosaur remains are among the fossils that have been recovered from the formation.[1][2] It is equivalent to the Eumeralla Formation.

Wonthaggi Formation
Stratigraphic range: Valanginian - Aptian[1]
TypeGeological formation
Unit ofStrzelecki Group
UnderliesUnconformity with Wombat Volcanics & Kersop Arkose
OverliesPaleozoic basement
ThicknessUp to 2,500 m (8,200 ft)
Lithology
PrimaryVolcaniclastic sandstone, siltstone
OtherConglomerate, coal
Location
Coordinates38.7°S 145.7°E / -38.7; 145.7
Approximate paleocoordinates77.0°S 117.5°E / -77.0; 117.5
Region Victoria
Country Australia
ExtentGippsland Basin
Wonthaggi Formation (Australia)

Vertebrate paleofauna
Dinosaur Cove has moved north over the last hundred million years[3]

Indeterminate ankylosaur, euornithopod, and possible neoceratopsian remains are present in Victoria, Australia.[1] Indeterminate ornithomimosaur remains, as well as possible indeterminate allosauroid and dromaeosaurid remains are present in Victoria, Australia.[1] The formation also provided fossils of Koolasuchus cleelandi.[4]

Ornithischians of the Wonthaggi Formation
Genus Species Presence Notes Images

cf. Atlascopcosaurus[5]

A. loadsi[5]

Geographically present in Victoria, Australia.[5]

Fulgurotherium[1]

F. australe[1]

Geographically present in Victoria, Australia.[1]
Qantassaurus

Galleonosaurus[5]

G. dorisae[5]

Geographically present in Victoria, Australia.[5]

Qantassaurus[1]

Q. intrepidus[1]

Geographically present in Victoria, Australia.[1]

"[Three] dentaries and teeth."[6]

Serendipaceratops[1]

S. arthurclarkei[1]

Geographically present in Victoria, Australia.[1]

Aves[7]

Indeterminate

Possibly also present at the Eumeralla Formation (footprints).

Single furcula.

Ankylosauria[8] Indeterminate Flat Rocks locality Teeth, dorsal vertebra, ribs, osteoderms

See also

References
  1. 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.
  2. . "Wonthaggi Formation", Australian Stratigraphic Units Database, Geoscience Australia, retrieved 2011-09-18
  3. "Dinosaur Cove, Australia". This Dynamic Earth. USGS. Retrieved 14 March 2015.
  4. Dwyers Hill at Fossilworks.org
  5. Herne, Matthew C.; Nair, Jay P.; Evans, Alistair R.; Tait, Alan M. (2019). "New small-bodied ornithopods (Dinosauria, Neornithischia) from the Early Cretaceous Wonthaggi Formation (Strzelecki Group) of the Australian-Antarctic rift system, with revision of Qantassaurus intrepidus Rich and Vickers-Rich, 1999". Journal of Paleontology. 93 (3): 543–584. doi:10.1017/jpa.2018.95.
  6. "Table 18.1," in Weishampel, et al. (2004). Page 395.
  7. Martin, Anthony J.; Vickers-Rich, Patricia; Rich, Thomas H.; Hall, and Michael (2014). "Oldest known avian footprints from Australia: Eumeralla Formation (Albian), Dinosaur Cove, Victoria". Palaeontology. 57 (1): 7–19. doi:10.1111/pala.12082.
  8. Barrett, Paul M.; Rich, Thomas H.; Vickers-Rich, Patricia; Tumanova, Tat'yana A.; Inglis, Matthew; Pickering, David; Kool, Lesley; Kear, Benjamin P. (September 2010). "Ankylosaurian dinosaur remains from the Lower Cretaceous of southeastern Australia". Alcheringa: An Australasian Journal of Palaeontology. 34 (3): 205–217. doi:10.1080/03115511003655430. ISSN 0311-5518.
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