Pozo BB III A x-1 (1930-1935 mbbp) (Cretaceous of Argentina)

Where: Buenos Aires, Argentina (39.7° S, 61.0° W)

• Paleocoordinates: 41.0° S, 48.0° W (Wright 2013)

When: Pedro Luro Formation, Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: microfossils

Collection methods: core, smear slide,

Primary reference: J. P. Pérez Panera and G. N. Angelozzi. 2006. Nanofósiles calcáreos del Cretácico tardío - Terciario, del Pozo BB III A x-1 (Bahía Blanca), cuenca del Colorado, Argentina. Ameghiniana 43(3):557-565more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 237065: authorized by Evangelos Vlachos, entered by Maria Maldonado on 15.11.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

• Biozona UC16-UC18/ CC26

Coccolithophyceae
 Braarudosphaerales - Polycyclolithaceae
Quadrum sissinghii
1 specimen
Hexalithus gardetae
2 specimens
 Isochrysidales - Prinsiaceae
Hornibrookina teuriensis Edwards 1973
1 specimen
 Prymnesiophycidae - Prymnesiophycidae
Markalius inversus Deflandre 1954
2 specimens
 Eiffellithales - Chiastozygaceae
Amphizygus brooksii Bukry 1969
1 specimen
 Eiffellithales - Eiffellithaceae
Eiffellithus turriseiffelii Deflandre 1954
1 specimen
 Arkhangelskiales - Arkhangelskiellaceae
Arkhangelskiella cymbiformis Vekshina 1959
4 specimens
 Arkhangelskiales - Kamptneriaceae
Kamptnerius magnificus Deflandre 1959
2 specimens
 Podorhabdales - Cretarhabdaceae
Retecapsa crenulata Bramlette and Martini 1964
1 specimen
 Podorhabdales - Prediscosphaeraceae
Prediscosphaera arkhangelskyi Reinhardt 1965
1 specimen
Prediscosphaera cretacea Arkhangelsky 1912
1 specimen
Prediscosphaera stoveri Perch-Nielsen 1968
1 specimen
 Podorhabdales - Biscutaceae
Biscutum coronum Wind and Wise 1977
1 specimen
Biscutum magnum Wind and Wise 1977
2 specimens
 Braarudosphaerales - Polycyclolithaceae
Micula concava Stradner 1960 coccolithophore
4 specimens
Micula staurophora Gardet 1955 coccolithophore
5 specimens
Micula praemurus Bukry 1973 coccolithophore
2 specimens