| Valtos Sandstone Formation | |
|---|---|
| Stratigraphic range: Middle Jurassic Bathonian PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
 Sandstones of the Valtos Sandstone Formation outcropping between two dolerite sills, the Kilt Rock, Trotternish, Skye | |
| Type | Formation |
| Unit of | Great Estuarine Group |
| Underlies | Duntulm Formation |
| Overlies | Lealt Shale Formation |
| Thickness | up to 120 m |
| Lithology | |
| Primary | sandstone |
| Other | limestone, mudstone |
| Location | |
| Region | Scotland |
| Country | United Kingdom |
| Extent | Inner Hebrides |
| Type section | |
| Named for | Valtos, Skye |
| Named by | Harris and Hudson |
| Location | Cliffs between Valtos and Mealt Falls |
| Year defined | 1980 |
| Thickness at type section | 95 m |
The Valtos Sandstone Formation is a Middle Jurassic (Bathonian) formation found in the Inner Hebrides of Scotland. It is the thickest member of the Great Estuarine Group. The lithology consists of sets of approximately 6 metre thick cross bedded sandstone, capped by thin shelly limestones containing bivalves of the genus Neomiodon Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
| Archosaurs of the Valtos Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
| Theriosuchus | Indeterminate | Dentary fragment | ||||
| Sauropoda | Indeterminate | Near Valtos | Limb bone, rib, caudal vertebra, Tooth | |||
| Stegosauria | Indeterminate | Isle of Eigg | Fibula | |||
| Theropoda | Indeterminate | Teeth and caudal vertebra | Vertebra likely to belongs to a coelurosaur | |||
See also
Footnotes
- British Geological Survey. "Valtos Sandstone Formation". BGS Lexicon of Named Rock Units. Retrieved 8 March 2018.
- Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- Clark, Neil D. L. (5 February 2018). "Review of the Dinosaur Remains from the Middle Jurassic of Scotland, UK". Geosciences. 8 (2): 53. Bibcode:2018Geosc...8...53C. doi:10.3390/geosciences8020053.
- Young, Mark T.; Tennant, Jonathan P.; Brusatte, Stephen L.; Challands, Thomas J.; Fraser, Nicholas C.; Clark, Neil D. L.; Ross, Dugald A. (February 2016). "The first definitive Middle Jurassic atoposaurid (Crocodylomorpha, Neosuchia), and a discussion on the genus T heriosuchus: Middle Jurassic T heriosuchus From Skye". Zoological Journal of the Linnean Society. 176 (2): 443–462. doi:10.1111/zoj.12315. PMC 4989461. PMID 27594716.
- PANCIROLI, Elsa; FUNSTON, Gregory F.; HOLWERDA, Femke; MAIDMENT, Susannah C. R.; FOFFA, Davide; LARKIN, Nigel; CHALLANDS, Tom; DEPOLO, Paige E.; GOLDBERG, Daniel; HUMPAGE, Matthew; ROSS, Dugald (27 August 2020). "First dinosaur from the Isle of Eigg (Valtos Sandstone Formation, Middle Jurassic), Scotland". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 111 (3): 157–172. Bibcode:2020EESTR.111..157P. doi:10.1017/s1755691020000080. hdl:20.500.11820/5845a3b3-3e9c-4a6a-9d2d-dda833d3524e. ISSN 1755-6910.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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