Where: Doceava Región, Chile (52.8° S, 68.7° W: paleocoordinates 53.1° S, 33.8° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Inoceramus Inferior ammonoid zone, Pampa Rincón Formation, Barremian to Barremian (129.4 - 113.0 Ma)
Environment/lithology: marine; lithified, argillaceous, silty claystone
Size class: microfossils
• Other: Palynomorphs
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 150023: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 31.08.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Dinophyceae | |
Cometodinium cf. comatum Srivastava 1984
Oligosphaeridium complex Davey and Williams 1966
Cribroperidinium confossum Helenes 1984 | |
Cyclonephelium vannophorum Davey 1969
Circulodinium distinctum Jansonius 1986 | |
Cymatiosphaera "spp." Wetzel 1933 acritarchs | |
Muricingulisporis | |
Muricingulisporis "sp." Krutzsch 1959 | |
Polypodiopsida | |
Verrucosisporites varians Volkheimer 1972 | |
Pteridopsida | |
Deltoidospora australis Pocock 1970
Deltoidospora minor Pocock 1970 | |
Ginkgoopsida | |
Equisetosporites "sp." Daugherty 1941 | |
Equisetopsida | |
Cyclusphaera psilata Volkheimer and Sepulveda 1976
Araucariacites australis Cookson 1947
Balmeiopsis limbatus Balme 1957
Classopollis simplex Reiser and Williams 1969 | |
Foraminisporis "sp." Krutzsch 1959 | |
Angiospermae | |
cf. Clavatipollenites hughesii Kemp 1968 | |
Callialasporites trilobatus Balme 1957 podocarp
Callialasporites microvelatus Schulz 1966 podocarp |