Las Coloradas es-1 (350-360) (Cretaceous to of Argentina)

Where: Chubut, Argentina (42.8° S, 68.3° W)

• Paleocoordinates: 43.3° S, 53.5° W (Wright 2013)

• coordinate stated in text

When: Lefipán Formation, Campanian to Campanian (83.6 - 61.6 Ma)

Environment/lithology: marine; poorly lithified, massive, gray, green, argillaceous claystone

• Middle-external platform environment
• Claystone, dark greenish gray with massive structure, irregular fracture, not very compact

Size class: microfossils

Collected by YPF in 2011

Collection methods: core, chemical,

Primary reference: A. Missotti. 2022. Foraminíferos paleocenos del pozo YPF-CH-LCOL-ES-1 (Las Coloradas), Cuenca de Cañadón Asfalto: sistemática y aspectos paleoecológicos. 1-101 [E. Vlachos/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 231983: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 10.10.2023

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Echinodermata indet.
Echinodermata indet. Klein 1754
Plate
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Valves and carapaces
Nodosariata
 Polymorphinida - Polymorphinidae
Guttulina problema, Guttulina luisae, Globulina gibba
Guttulina problema d'Orbigny 1826
Shells
Guttulina luisae Bertels 1964
Shells
Globulina gibba d'Orbigny 1832
Shells
 Vaginulinida - Vaginulinidae
Lenticulina spp., Lenticulina midwayensis, Lenticulina cf. midwayensis
Lenticulina spp. Lamarck 1804
Shells
Lenticulina midwayensis Plummer 1927
Shells
Lenticulina cf. midwayensis Plummer 1927
Shells
 Nodosariida - Nodosariidae
Pyramidulina latejugata
Pyramidulina latejugata Gümbel 1870
Shells
Globothalamea
 Rotaliida - Alabaminidae
Alabamina midwayensis
Alabamina midwayensis Brotzen 1948
Shells
 Rotaliida - Gavelinellidae
Gyroidina patagonica, Gavelinella midwayensis
Gyroidina patagonica Camacho 1954
Shells
Gavelinella midwayensis Plummer 1927
Shells
 Rotaliida - Cibicididae
Cibicidoides ? alleni
Cibicidoides ? alleni Plummer 1927
Shells