LY 21 - 2004 (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: marine; lithified, fine-grained, sandy sandstone

• Shallow marine to offshore

Size class: microfossils

• Other: Palynology

Preservation: soft parts, 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 150037: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 31.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pterospermella australiensis
  -
Pterospermella cf. australiensis Deflandre and Cookson 1955
Lycopodiopsida
 Selaginellales - Selaginellaceae
Neoraistrickia truncata Potonié 1956 spikemoss
Algae
  - Botryococcaceae
Botryococcus "spp." Kutzing 1849
Pteridopsida
  -
Deltoidospora minor Pocock 1970
Granulatisporites "sp." Potonié and Kremp 1954
(in Volkheimer, Caccavari de Filice and Sepúlveda, 1977)
Polypodiopsida
  - Gleicheniaceae
Staplinisporites caminus
  -
Chlorophyceae
  -
Dinophyceae
 Gonyaulacales - Ceratiaceae
 Gonyaulacales - Areoligeraceae
Circulodinium distinctum Jansonius 1986