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
| Equisetopsida | |
Cyclusphaera psilata, Balmeiopsis limbatus, Araucariacites fissus, Araucariacites australis, Classopollis simplex, Classopollis torosus, Classopollis classoides
Cyclusphaera psilata Volkheimer and Sepulveda 1976
Balmeiopsis limbatus Balme 1957
Araucariacites fissus Reiser and Williams 1969
Araucariacites australis Cookson 1947
Classopollis simplex Reiser and Williams 1969
Classopollis torosus Burger 1965
Classopollis classoides Pflug 1953 | |
|
Callialasporites trilobatus Balme 1957 podocarp
Callialasporites dampieri Balme 1957 podocarp | |
| Concavisporites | |
|
Concavisporites "sp." Delcourt and Sprumont 1955 | |
| Cibotiumspora | |
|
Cibotiumspora jurienensis Filatoff 1975 | |
| Polypodiopsida | |
|
Trilites cf. densiverrucosus Menendez 1968 | |
|
Verrucosisporites major Burden and Hills 1989 | |
|
Ruffordiaspora australiensis Dettmann and Clifford 1992 | |
|
Contignisporites cooksoniae Dettmann 1963 | |
|
Gleicheniidites senonicus Ross 1949 | |
| Pteridopsida | |
|
Deltoidospora australis Pocock 1970 | |
| Converrucosisporites | |
|
| |
| Staplinisporites caminus | |
|
Staplinisporites caminus Pocock 1962 | |
| Ginkgoopsida | |
|
Vitreisporites pallidus Nilsson 1958 | |
| Cycadopites | |
|
Cycadopites nitidus de Jersey 1964 | |
| Concavissimisporites | |
|
Concavissimisporites variverrucatus Brenner 1963 | |
| Lycopodiopsida | |
|
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss | |
|
Retitriletes austroclavatidites Döring et al. 1963 clubmoss | |
|
Cymatiosphaera "spp." Wetzel 1933 acritarchs | |
| Dinophyceae | |
|
cf. Aprobolocysta "sp." Duxbury 1977
Batioladinium cf. micropodum Eisenack and Cookson 1960 | |