Species found in “Oslofjord, Norway” (20)

Bulimina marginata

Order “Rotaliida” > Family “Incertae sedis” > Genus “Bulimina

Original description Orbigny, A. D`., 1826, Ann. Scien. Nat., 7, 245-314
Description Höglund, H., 1947, Zoologiska Bidrag fran Uppsala, 26

General description

Ovate test, tapering, numerous inflated chambers arranged in a triserial spiral that is somewhat twisted, lower chamber margins usually extending out from the preceding, might be armed with spines of varying length.

Representative pictures

Bulimina marginata
2 specimens

Cibicidoides lobatulus

Order “Rotaliida” > Family “Incertae sedis” > Genus “Cibicidoides

Original description Walker, G., Jacob, E.: In Kanmacher, F., 1798, London, England, printed by Dillon and Keating
Further reference Schweizer, M., Pawlowski, J., Kouwenhoven, T., van der Zwaan, B., 2009, J. For. Res., 39, 300-315 (["6.48 MB"])

General description

Low trochospiral test, planoconvex in cross-section, involute, convex umbilicate side and slightly convex evolute spiral side. Coarsely perforated chamberson both sides.

Representative pictures

Cibicidoides lobatulus_C39
10 specimens

Cibicidoides ungerianus

Order “Rotaliida” > Family “Incertae sedis” > Genus “Cibicidoides

Original description Orbigny, A. D`., 1846, Paris: Gide et Comp.
Further reference Schweizer, M., Pawlowski, J., Kouwenhoven, T., van der Zwaan, B., 2009, J. For. Res., 39, 300-315 (["6.48 MB"])

General description

Umbilical side is always more convex than spiral side that is flat to slightly convex. The test is rather thin and transparent with angular periphery.

Representative pictures

Cibicidoidesungerianus_F180 Cibicidoides ungerianus_C29
3 specimens

Nonionella labradorica

Order “Rotaliida” > Family “Incertae sedis” > Genus “Nonionella

Original description Dawson, J. W., 1860, Canadian Nat. Geol. , Montreal, Canada., 5, 191
Further reference Schweizer, M., Pawlowski, J., Kouwenhoven, T., J., Guiard, J., van der Zwaan, B., 2008, Mar. Micropal., 66 (["1.09 MB"])
Further reference Cedhagen, T., 1991, Ophelia, 33, 17-30 (["7.88 MB"])

General description

Equilateral smooth test, last chamber inflated, extends in two lobes on either side of the earlier whorls.

Representative pictures

Nonionella labradorica Nonionella labradorica
4 specimens

Uvigerina peregrina

7 specimens