Species found in “Sweden, Tjärnö” (4)

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

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