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 232642: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 13.12.2023
Creative Commons license: CC BY (attribution)
Taxonomic list
Dinophyceae | |
Caligodinium perforatum n. sp.
Caligodinium perforatum n. sp. Guler et al. 2005 Slide 3427(2): 101/25.5 and slide 3427(2): 102/28.5
| |
Alterbidinium acutulum, Cerodinium diebelii, Isabelidinium sp., Manumiella druggii, Manumiella complex
Alterbidinium acutulum Lentin and Williams 1985
Cerodinium diebelii Lentin and Williams 1987
Isabelidinium sp. Lentin and Williams 1977
Manumiella druggii Stover 1974
Manumiella complex Marenssi et al. 2004 | |
Palaeocystodinium sp. Alberti 1961 | |
Impagidinium sp., Hafniasphaera cf. fluens, Hafniasphaera australis n. sp., Oligosphaeridium complex
Impagidinium sp. Stover and Evitt 1978
Hafniasphaera cf. fluens Hansen 1977
Oligosphaeridium complex Davey and Williams 1966 | |
Batiacasphaera cf. kekerengensis Schioler and Wilson 2004 | |
Spiniferites ramosus Lentin and Williams 1973 |