Pakistan Stratigraphy

Genus

Operculina

Foraminifera · Paleocene – Recent

Flat, loosely-coiled nummulitid foraminifera of shallow warm seas, close relatives of Nummulites.

Genus

Foraminifera

Scientific classification

Kingdom	Rhizaria
Phylum	Foraminifera
Class	Globothalamea
Order	Rotaliida
Family	Nummulitidae
Genus	Operculina

Age range: Paleocene – Recent; 66–0 Ma; Established range worldwide.
In Pakistan’s record: Paleogene; Across 1 unit in this dataset.

Classification shown to the level well established for this group.

Recorded in these units

1

Margala Hill Limestone Early Eocene (Ypresian) Cenozoic

Found alongside

12

Other fossils recorded in the same units.

Alveolina Assilina exponens Assilina granulosa Assilina laminosa Assilina spinosa Echinoids Gastropods Lockhartia conditi Lockhartia tipperi Miliolids Nummulites atacicus Nummulites mamillatus

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