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