Allaru Formation
| Allaru Formation | |
|---|---|
| Stratigraphic range: Albian ~ | |
| Type | Geological formation |
| Unit of | Rolling Downs Group |
| Underlies | Mackunda Formation |
| Overlies | Toolebuc Formation |
| Thickness | Up to 700 m (2,300 ft) |
| Lithology | |
| Primary | Mudstone |
| Other | Siltstone, sandstone, limestone |
| Location | |
| Coordinates | 24°52′02.17″S 146°14′19.85″E / 24.8672694°S 146.2388472°E |
| Approximate paleocoordinates | 51°00′S 133°06′E / 51.0°S 133.1°E |
| Region | Queensland |
| Country | Australia |
| Extent | Eromanga Basin |
  Allaru Formation (Australia)  Allaru Formation (Queensland) | |
The Allaru Formation, also known as the Allaru Mudstone, is a geological formation in Queensland, Australia, whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1]
Fossil content
Possible indeterminate ankylosaur remains are present in Queensland. Indeterminate ornithopod remains are present in Queensland.[1]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Archosaurs
Dinosaurs
| Dinosaurs of the Allaru Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Austrosaurus[2][1][3] | A. mckillopi | Queensland, Australia | Albian | Dorsal vertebrae and possible incomplete limb remains from several individuals | A somphospondylan sauropod |  |
| Kunbarrasaurus[1][4] | K. ieversi | Queensland, Australia | Albian | A parankylosaur |  | |
| ?Muttaburrasaurus[1] | ?M. sp. | Queensland, Australia | Albian | A large ornithopod |  | |
Reptiles
| Reptiles of the Allaru Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Elasmosauridae indet.[5] | Indeterminate | Albian | Specimen number QMF2100, an articulated torso. Stomach cavity contains crustacean and fish remains as well as ~135 gastroliths. | |||
| Notochelone[6] | N. costata | Albian |  | |||
| Platypterygius[6] | P. australis (=longmani) | Albian |  | |||
Fish
| Fishes of the Allaru Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Cooyoo[7] | C. australis | Queensland, Australia | Albian | |||
| Flindersichthys[8] | F. denmeadi | Albian | ||||
| Pachyrhizodus[9] | P. marathonensis | Albian | Two species known from both this and the Toolebuc Formation | |||
| P. grawi | ||||||
| Richmondichthys[10] | R. sweeti | Albian | An aspidorhynchid also found in the Toolebuc Formation | |||
Invertebrates
| Invertebrates of the Allaru Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Eromangateuthis[2] | E. soniae | Queensland, Australia | Albian | "Gladius" | ||
| Goodhallites[11] | G. goodhalli | Albian | ||||
| Inoceramus[12] | I. sutherlandi | Queensland , Australia | Albian | |||
| Mckenziephyllia[13] | M. accordensis | Albian | ||||
| Torynommidae[14] | Torynomma quadrata | Ilfracombe, Queensland Australia | Albian | |||
| Homolidae[15] | Lignihomola etheridgei | Ilfracombe, Queensland Australia | Albian | |||
See also
- List of dinosaur-bearing rock formations
- Paja Formation, contemporaneous Lagerstätte in Colombia
- Sierra Madre Formation, contemporaneous fossiliferous formation of Mexico
- Santana Group, contemporaneous Lagerstätte in northeastern Brazil
- South Polar region of the Cretaceous
References
- 1 2 3 4 5 Weishampel et al., 2004, pp.573-574
- 1 2 Fuchs, Dirk (2019). "Eromangateuthis N. Gen., a New Genus for a Late Albian Gladius-Bearing Giant Octobrachian (Cephalopoda: Coleoidea)". Paleontological Contributions. 2019 (21): 1–3. doi:10.17161/1808.29619. hdl:1808/29619. ISSN 1946-0279. S2CID 204976334.
- ↑ Poropat, Stephen F.; Nair, Jay P.; Syme, Caitlin E.; Mannion, Philip D.; Upchurch, Paul; Hocknull, Scott A.; Cook, Alex G.; Tischler, Travis R.; Holland, Timothy (2017-10-02). "Reappraisal of Austrosaurus mckillopi Longman, 1933 from the Allaru Mudstone of Queensland, Australia's first named Cretaceous sauropod dinosaur". Alcheringa: An Australasian Journal of Palaeontology. 41 (4): 543–580. doi:10.1080/03115518.2017.1334826. ISSN 0311-5518.
- ↑ Leahey et al., 2015
- ↑ Colin R. McHenry; Alex G. Cook; Stephen Wroe (November 2005). "Bottom-Feeding Plesiosaurs". Science. 310 (5745): 75. doi:10.1126/science.1117241. PMID 16210529. S2CID 28832109 – via ResearchGate.
- 1 2 Kear, Benjamin P. (June 2003). "Cretaceous marine reptiles of Australia: A review of taxonomy and distribution". Cretaceous Research. 24 (3): 277–303. Bibcode:2003CrRes..24..277K. doi:10.1016/S0195-6671(03)00046-6 – via ResearchGate.
- ↑ Lovisa Wretman; Benjamin P. Kear (April 2014). "Bite marks on an ichthyodectiform fish from Australia: Possible evidence of trophic interaction in an Early Cretaceous marine ecosystem". Alcheringa. 38 (2): 170–176. Bibcode:2014Alch...38..170W. doi:10.1080/03115518.2014.848692. S2CID 140194963 – via ResearchGate.
- ↑ Bartholomai, A. (2010). "Revision of Flindersichthys denmeadi Longman 1932, a marine teleost from the Lower Cretaceous of the Great Artesian Basin, Queensland". Memoirs of the Queensland Museum. S2CID 189970876.
- ↑ Bartholomai, A. (17 February 2012). "The pachyrhizodontid teleosts from the marine Lower Cretaceous (latest mid to late Albian) sediments of the Eromanga Basin, Queensland, Australia". Memoirs of the Queensland Museum – Nature. 56 (1): 119–148.
- ↑ Bartholomai, A. (2004). "The large aspidorhynchid fish, Richmondichthys sweeti (Etheridge Jnr and Smith Woodward, 1891) from Albian Marine deposits of Queensland, Australia". Memoirs of the Queensland Museum. S2CID 195531265.
- ↑ R.A. Henderson; W.J. Kennedy (2002). "Occurrence of the ammonite Goodhallites goodhalli (J. Sowerby) in the Eromanga Basin, Queensland: an index species for the late Albian (Cretaceous)". Alcheringa. 26 (2): 233–247. Bibcode:2002Alch...26..233H. doi:10.1080/03115510208619254. S2CID 130589426 – via ResearchGate.
- ↑ Patrick Mark Smith; Timothy Holland (July 2016). "Cretaceous time capsules: remarkable preservation of fish and crustaceans inside the bivalve Inoceramus sutherlandi McCoy, 1865 from the Allaru Mudstone (late Albian), Eromanga Basin, Queensland". ResearchGate. doi:10.13140/RG.2.1.2264.9842.
- ↑ John S. Jell; Alex G. Cook; Peter A. Jell (2010). "Australian Cretaceous Cnidaria and Porifera". Alcheringa: An Australasian Journal of Palaeontology. 35 (2): 241–284. doi:10.1080/03115518.2011.532322. S2CID 129707733.
- ↑ Woods, J. T (1953). "Brachyura from the Cretaceous of Central Queensland". Memoirs of the Queensland Museum. 13: 50–57.
- ↑ Woods, J. T (1953). "Brachyura from the Cretaceous of Central Queensland". Memoirs of the Queensland Museum. 13: 50–57.
Bibliography
- Leahey, Lucy G.; Molnar, Ralph E.; Carpenter, Kenneth; Witmer, Lawrence M.; Salisbury, Steven W. (2015). "Cranial osteology of the ankylosaurian dinosaur formerly known as Minmi sp. (Ornithischia: Thyreophora) from the Lower Cretaceous Allaru Mudstone of Richmond, Queensland, Australia". PeerJ. 3 e1475. doi:10.7717/peerj.1475. PMC 4675105. PMID 26664806.
- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (2004). The Dinosauria, 2nd edition. Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. Retrieved 2019-02-21.
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