Lastres Formation
| Lastres Formation | |
|---|---|
| Stratigraphic range: Kimmeridgian-Tithonian | |
| Type | Geologic group |
| Overlies | Tereñes Formation |
| Thickness | 400 meters[1] |
| Lithology | |
| Primary | Sandstone, conglomerate[1] |
| Other | Mudstone[1] |
| Location | |
| Coordinates | 43°30′N 5°30′W / 43.5°N 5.5°W |
| Approximate paleocoordinates | 35°48′N 6°48′E / 35.8°N 6.8°E |
| Region | Asturias |
| Country |  Spain |
  Lastres Formation (Spain)  Lastres Formation (Asturias) | |
The Lastres Formation is a geological formation located in Asturias province, northwestern Spain. It is believed to have been deposited in a fluvial-dominated deltaic system.[1]
Fossil tracks have been reported from the formation, including those of dinosaurs, pterosaurs, crocodiles, turtles, and lizards.[2]
Fossil content[edit]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Pterosaurs[edit]
| Pterosaurs | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Notes | Images | |
| Pteraichnus[3] | * Present at the Quintueles, Oles, Tazones, and Luces sites; all in Asturias, Spain.[3] | * Quintueles, Oles, and Tazones specimens housed at the Jurassic Museum of Asturias, Spain. Luces specimens remain in the field.[3] | |||
Plants[edit]
| Plants | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Ricciopsis | R. asturicus | [4] | A liverwort. | ||
Correlation[edit]
See also[edit]
References[edit]
- ^ a b c d Philippe, Marc; Billon-Bruyat, Jean-Paul; Garcia-Ramos, Jose C.; Bocat, Loïc; Gomez, Bernard; Piñuela, Laura (January 2010). "New occurrences of the wood Protocupressinoxylon purbeckensis Francis: implications for terrestrial biomes in southwestern Europe at the Jurassic/Cretaceous boundary". Palaeontology. 53 (1): 201–214. doi:10.1111/j.1475-4983.2009.00926.x. S2CID 129026651.
- ^ Rauhut, Oliver W. M.; Piñuela, Laura; Castanera, Diego; García-Ramos, José-Carlos; Cela, Irene Sánchez (2018-07-05). "The largest European theropod dinosaurs: remains of a gigantic megalosaurid and giant theropod tracks from the Kimmeridgian of Asturias, Spain". PeerJ. 6: e4963. doi:10.7717/peerj.4963. ISSN 2167-8359. PMC 6035862. PMID 30002951.
- ^ a b c Lockley, M.; Harris, J.D.; and Mitchell, L. 2008. "A global overview of pterosaur ichnology: tracksite distribution in space and time." Zitteliana. B28. p. 187-198. ISSN 1612-4138.
- ^ Santos, Artai A.; Sender, Luis Miguel; Piñuela, Laura; García-Ramos, Jose Carlos; Diez, José B. (2022-09-27). "First evidence of Ricciaceae in the Jurassic of the Iberian Peninsula (Asturias, NW Spain): Ricciopsis asturicus sp. nov". Botany Letters. 169 (4): 557–567. doi:10.1080/23818107.2022.2124452. ISSN 2381-8107. S2CID 252575717.