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Lastres Formation

Coordinates: 43°30′N 5°30′W / 43.5°N 5.5°W / 43.5; -5.5
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Lastres Formation
Stratigraphic range: Kimmeridgian-Tithonian
TypeGeologic group
OverliesTereñes Formation
Thickness400 meters[1]
Lithology
PrimarySandstone, conglomerate[1]
OtherMudstone[1]
Location
Coordinates43°30′N 5°30′W / 43.5°N 5.5°W / 43.5; -5.5
Approximate paleocoordinates35°48′N 6°48′E / 35.8°N 6.8°E / 35.8; 6.8
RegionAsturias
Country Spain
Lastres Formation is located in Spain
Lastres Formation
Lastres Formation (Spain)
Lastres Formation is located in Asturias
Lastres Formation
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

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Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Pterosaurs

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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

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Plants
Genus Species Presence Material Notes Images
Ricciopsis R. asturicus [4] A liverwort.

Correlation

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Early Cretaceous stratigraphy of Iberia
Ma Age Paleomap \ Basins Cantabrian Olanyà Cameros Maestrazgo Oliete Galve Morella South Iberian Pre-betic Lusitanian
100 Cenomanian
La Cabana Sopeira Utrillas Mosquerela Caranguejeira
Altamira Utrillas
Eguino
125 Albian Ullaga - Balmaseda Lluçà Traiguera
Monte Grande Escucha Escucha Jijona
Itxina - Miono
Aptian Valmaseda - Tellamendi Ol Gp. - Castrillo Benassal Benassal Olhos
Font En Gp. - Leza Morella/Oliete Oliete Villaroya Morella Capas
Rojas
Almargem
Patrocinio - Ernaga Senyús En Gp. - Jubela Forcall Villaroya Upper
Bedoulian
Figueira
Barremian Vega de Pas Cabó Abejar Xert Alacón Xert Huérguina Assises
Prada Artoles Collado Moutonianum Papo Seco
Rúbies Tera Gp. - Golmayo Alacón/Blesa Blesa Camarillas Mirambel
150 Hauterivian Ur Gp. - Pinilla Llacova Castellar Tera Gp. - Pinilla Villares Porto da
Calada
hiatus
Huerva Gaita
Valanginian Villaro Ur Gp. - Larriba Ped Gp. - Hortigüela
Ped Gp. - Hortigüela Ped Gp. - Piedrahita
Peñacoba Galve Miravetes
Berriasian Cab Gp. - Arcera Valdeprado hiatus Alfambra
TdL Gp. - Rupelo Arzobispo hiatus Tollo
On Gp. - Huérteles
Sierra Matute
Tithonian Lastres Tera Gp. - Magaña Higuereles Tera Gp. - Magaña Lourinhã
Arzobispo
Ágreda
Legend Major fossiliferous, oofossiliferous, ichnofossiliferous, coproliferous, minor formation
Sources


See also

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References

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  1. ^ 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. Bibcode:2010Palgy..53..201P. doi:10.1111/j.1475-4983.2009.00926.x. S2CID 129026651.
  2. ^ 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.
  3. ^ 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.
  4. ^ 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. Bibcode:2022BotL..169..557S. doi:10.1080/23818107.2022.2124452. ISSN 2381-8107. S2CID 252575717.