Sur Rio Chico (965-960) (Paleocene of Argentina)

Where: Santa Cruz, Argentina (51.7° S, 69.2° W)

• Paleocoordinates: 52.2° S, 60.9° W (Wright 2013)

When: NP4 nannofossil zone, Danian (66.0 - 61.6 Ma)

Environment/lithology: offshore; claystone

Size class: microfossils

Collection methods: core

Primary reference: J. P. PĂ©rez Panera. 2013. Paleogene calcareous nannofossil biostratigraphy for two boreholes in the eastern Austral Basin, Patagonia, Argentina. Andean Geology 10(1):117-140 [E. Vlachos/F. Aspromonte]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 237045: authorized by Evangelos Vlachos, entered by Antonio Pasini on 12.11.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

Reticulofenestra
  -
Coccolithophyceae
 Coccolithales - Coccolithaceae
Chiasmolithus consuetus Bramlette and Sullivan 1961
Chiasmolithus bidens Bramlette and Sullivan 1961
 Prymnesiophycidae - Prymnesiophycidae
Coccolithus pelagicus Wallich 1877
Pontosphaera pulchra Romein 1979
Markalius inversus Deflandre 1954
Cruciplacolithus primus Perch-Nielsen 1977
 Zygodiscales - Zygodiscaceae
Reticulofenestra
  -
Toweius callosus
  - Coccolithacea
Toweius callosus Perch-Nielsen 1971
Toweius eminens
  - Coccolithacea
Toweius eminens Bramlette and Sullivan 1961
Toweius occultatus
  - Coccolithacea
Toweius occultatus Locker 1967
Thoracosphaera operculata
  -
"Thoracosphaera operculata" = Cervisiella operculata
"Thoracosphaera operculata" = Cervisiella operculata Bramlette and Martini 1964