CA 5 - 1981 (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: Springill Formation, Valanginian to Valanginian (139.8 - 125.0 Ma)

Environment/lithology: deltaic; lithified, argillaceous shale

Size class: microfossils

• 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 150017: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 30.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Life -
Cymatiosphaera "spp." Wetzel 1933 acritarchs
Converrucosisporites
  -
Converrucosisporites "sp. 1" Potonié and Kremp 1954
(in Baldoni and Archangelsky, 1983)
Concavisporites
  -
Concavisporites "sp." Delcourt and Sprumont 1955
Polypodiopsida
  -
Verrucosisporites "sp. A" Potonie and Kremp 1954
(in Archangelsky and Villar de Seoane, 1994)
Verrucosisporites major Burden and Hills 1989
cf. Biretisporites "sp. A" Delcourt et al. 1963
(in Archangelsky and Villar de Seoane, 1994)
  - Gleicheniaceae
 Polypodiales - Polypodiidae
 Schizaeales - Polypodiidae
Ruffordiaspora australiensis Dettmann and Clifford 1992
  - Dicksoniaceae
Cibotiumspora
  -
Pteridopsida
  -
Staplinisporites caminus
  -
 Coniferales - Podocarpaceae
Callialasporites dampieri Balme 1957 podocarp
Callialasporites trilobatus Balme 1957 podocarp
Equisetopsida
 Pinidae - Pinidae
Araucariacites fissus Reiser and Williams 1969
Cyclusphaera psilata Volkheimer and Sepulveda 1976
Classopollis torosus Burger 1965
Classopollis simplex Reiser and Williams 1969
Cycadopites
  -
Cycadopites nitidus de Jersey 1964
Concavissimisporites
  -
Ginkgoopsida
 Caytoniales -
Lycopodiopsida
 Lycopodiales -
Retitriletes austroclavatidites Döring et al. 1963 clubmoss
 Selaginellales -
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss
Dinophyceae
  - Pareodiniaceae
Batioladinium cf. micropodum Eisenack and Cookson 1960