Also known as South of Lago Argentino
Where: Santa Cruz, Argentina (50.4° S, 72.2° W: paleocoordinates 52.4° S, 62.0° W)
• coordinate stated in text
• local area-level geographic resolution
When: Calafate Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
Environment/lithology: coastal; lithified, sandy sandstone and lithified, muddy, conglomeratic mudstone
Size class: microfossils
• Common parts: Dinoflagellate cysts.
Preservation: soft parts
Collection methods: hydrochloric, hydroflouric,
• The figured specimens are housed in the Palynological Collection, Departamento de Geología, Universidad Nacional del Sur, Bahía Blanca, Argentina.
•Samples were collected from fine-grained lithologies whenever possible because the predominantly coarse-grained deposits are not suitable for palynological studies.
Primary reference: S. Marenssi, V. Guler, S. Casadío, R. Guerstein, and O. Papú. 2004. Sedimentology and palynology of the Calafate Formation (Maastrichtian), Austral Basin, Southern Patagonia, Argentina. Cretaceous Research 25(6):907-918 [C. Jaramillo/J. Moreno/F. Aspromonte]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 232651: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 15.12.2023
Creative Commons license: CC BY (attribution)
Taxonomic list
Dinophyceae | |
cf. Manumiella cretacea Bujak and Davies 1983
Manumiella complex Marenssi et al. 2004
Isabelidinium sp. Lentin and Williams 1977 | |
Palaeocystodinium sp. Alberti 1961
Palaeocystodinium lidiae Davey 1969 | |
Operculodinium radiculatum Smith 1992 | |
Apteodinium sp. Eisenack 1958 |