Perfil Cerro Bombero: CB7 (40 cm) (Cretaceous of Argentina)

Where: Rio Negro, Argentina (39.2° S, 67.4° W)

• Paleocoordinates: 39.4° S, 54.0° W (Wright 2013)

When: Jagüel Formation, Maastrichtian (72.2 - 66.0 Ma)

Environment/lithology: marine; sandy lithology not reported

Size class: microfossils

Preservation: cast

Collected by JUAN PABLO PÉREZ PANERA, AGUSTINA MISSOTTI, MICAELA CHAUMEIL RODRÍGUEZ, JUAN ISON, LYDIA CALVO MARCILESE, ANA PAULA CARIGNANO, LAUTARO LOYZA-CANNATÁ, CLÉMENTINE COLPAERT, NICOLAS PIGE, ARIEL FABIÁN CARDILLO, DANIEL CABAZA and MARIANELLA TALEVI; reposited in the MLP

Collection methods: surface (in situ), smear slide

Primary reference: J. P. Pérez Panera. 2024. End-Cretaceous calcareous nannoplankton and response to the K/Pg event in the Kawas epicontinental sea. Insights from Cerro Bombero section, Jagüel formation, Neuquén Basin. Libro de Resúmenes de la Reunión de Comunicaciones de la Asociación Paleontológica Argentina 2024:221-222more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 237650: authorized by Evangelos Vlachos, entered by Maria Maldonado on 13.12.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

• Biozone CC26
Show authors, comments, and common names
Coccolithophyceae
 Arkhangelskiales - Arkhangelskiellaceae
Arkhangelskiella maastrichtiensis
Arkhangelskiella maastrichtiensis
9 specimens. Cretaceous.
 Podorhabdales - Axopodorhabdaceae
Cribrosphaerella circula, Nephrolithus frequens miniporus
Cribrosphaerella circula
1 specimen. Cretaceous.
Nephrolithus frequens miniporus
2 specimens. Cretaceous.
 Eiffellithales - Chiastozygaceae
Placozygus spiralis, Neocrepidolithus neocraassus
Placozygus spiralis
28 specimens. Cretaceous.
Neocrepidolithus neocraassus
2 specimens. Survivor.
 Braarudosphaerales - Polycyclolithaceae
Micula cubiformis, Micula swastica, Micula murus, Micula staurophora, Micula concava
Micula cubiformis Forchheimer 1972 coccolithophore
2 specimens. Cretaceous.
Micula swastica Stradner and Steinmetz 1984 coccolithophore
1 specimen. Cretaceous.
Micula murus Martini 1961 coccolithophore
2 specimens. Cretaceous.
Micula staurophora Gardet 1955 coccolithophore
68 specimens. Cretaceous.
Micula concava Stradner 1960 coccolithophore
10 specimens. Cretaceous.
 Eiffellithales - Eiffellithaceae
Eiffellithus gorkae, Eiffellithus turriseiffelii
Eiffellithus gorkae Reinhardt 1965
32 specimens. Cretaceous.
Eiffellithus turriseiffelii Deflandre 1954
7 specimens. Cretaceous.
 Eiffellithales - Rhagodiscaceae
Rhagodiscus angustus
Rhagodiscus angustus Stradner 1963
3 specimens. Survivor.
 Eiffellithales - Chiastozygaceae
Ahmuellerella octoradiata, Staurolithites laffittei, Placozygus sigmoides
Ahmuellerella octoradiata Górka 1957
14 specimens. Cretaceous.
Staurolithites laffittei Caratini 1963
2 specimens. Survivor.
Placozygus sigmoides Romein 1979
1 specimen. Survivor.
 Prymnesiophycidae - Prymnesiophycidae
Markalius apertus, Lithraphidites carniolensis
Markalius apertus Perch-Nielsen 1979
1 specimen. Survivor.
Lithraphidites carniolensis Deflandre 1963
1 specimen. Cretaceous.
 Watznaueriales - Watznaueriaceae
Cyclagelosphaera margerelii, Cyclagelosphaera alta, Watznaueria fossacincta
Cyclagelosphaera margerelii Noël 1965
1 specimen. Survivor.
Cyclagelosphaera alta Perch-Nielsen 1979
1 specimen. Survivor.
Watznaueria fossacincta Black 1971
1 specimen. Survivor.
  - Calyptrosphaeraceae
Acuturris scotus
Acuturris scotus Rissati 1973
1 specimen. Cretaceous.
 Podorhabdales - Axopodorhabdaceae
Cribrosphaerella daniae, Cribrosphaerella ehrenbergii
Cribrosphaerella daniae Perch-Nielsen 1973
5 specimens. Cretaceous.
Cribrosphaerella ehrenbergii Arkhangelsky 1912
1 specimens. Cretaceous.
 Podorhabdales - Prediscosphaeraceae
Prediscosphaera spinosa, Prediscosphaera stoveri
Prediscosphaera spinosa Bramlette and Martini 1964
1 specimen. Survivor.
Prediscosphaera stoveri Perch-Nielsen 1968
3 specimens. Survivor.
 Podorhabdales - Biscutaceae
Biscutum constans, Biscutum melaniae, Biscutum arrogans
Biscutum constans Górka 1957
8 specimens. Cretaceous.
Biscutum melaniae Górka 1957
1 specimen. Survivor.
Biscutum arrogans Perch-Nielsen 1974
3 specimens. Cretaceous.
 Arkhangelskiales - Kamptneriaceae
Kamptnerius magnificus
Kamptnerius magnificus Deflandre 1959
4 specimens. Cretaceous.
 Arkhangelskiales - Arkhangelskiellaceae
Arkhangelskiella cymbiformis
Arkhangelskiella cymbiformis Vekshina 1959
42 specimens. Cretaceous.
Cervisiella operculata
  -
Cervisiella operculata
Cervisiella operculata Bramlette and Martini 1964
6 specimens. Survivor.
Cervisiella saxea
  -
Cervisiella saxea
Cervisiella saxea Stradner 1961
1 specimen. Survivor.