Where: Doceava Región, Chile (52.8° S, 68.7° W: paleocoordinates 52.1° S, 30.1° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Springhill Formation, Valanginian to Valanginian (139.8 - 125.0 Ma)
Environment/lithology: terrestrial; lithified, argillaceous, silty claystone
Size class: microfossils
• Other: Palynomorphs
Preservation: original sporopollenin
Collected by ENAP Oil Company
Collection methods: core, chemical, hydrochloric, hydroflouric
• The material was provided by the ENAP Oil Company of Chile.
Primary reference: M. E. Quattrocchio, M. A. Martínez, A. Carpinelli Pavisich and W. Volkheimer. 2006. Early Cretaceous palynostratigraphy, palynofacies and palaeoenvironments of well sections in northeastern Tierra del Fuego, Argentina. Cretaceous Research 27:584-602 [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 150025: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 31.08.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Equisetopsida | |
|
Cyclusphaera psilata Volkheimer and Sepulveda 1976
Araucariacites australis Cookson 1947 | |
|
Foraminisporis "sp." Krutzsch 1959 | |
|
Microcachryidites antarcticus Couper 1953 podocarp | |
| Polypodiopsida | |
|
Contignisporites cooksoniae Dettmann 1963 | |
| Ginkgoopsida | |
|
Vitreisporites pallidus Nilsson 1958 | |
| Lycopodiopsida | |
|
Ceratosporites setosus Archangelsky and Villar de Seoane 1994 clubmoss | |