CA 87 - 1975 (Cretaceous to of Chile)

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, sandy sandstone

• Continental
• Breccioid sandstone

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Collected by ENAP Oil Company of Chile.

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 150014: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 30.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis "sp." Krutzsch 1959
 Pinidae - Pinidae
 Coniferales - Podocarpaceae
Microcachryidites antarcticus Couper 1953 podocarp
Lycopodiopsida
 Selaginellales -
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss
 Lycopodiales -
Retitriletes austroclavatidites Döring et al. 1963 clubmoss
Cibotiumspora
  -
Polypodiopsida
  - Dicksoniaceae
Cibotiidites auriculatus Archangelsky and Villar de Seoane 1998
  - Gleicheniaceae
Ginkgoopsida
 Caytoniales -