Listing species

Astrammina rara

Order “"monothalamids"” > Family “Clade I” > Genus “Astrammina

Original description Rhumbler, L. in: Wiesner, H., 1931, Deutsche Südpolarexpedition, Zoologie 12, 20, 53-165
Further reference Habura, A., Pawlowski, J., Hanes, S., D., Bowser, S., S., 2004, J. Eukaryot. Microbiol., 51, 173-179 (167 KB)
Description DeLaca, T., 1986, J. For. Res., 16, 216-223
Further reference Pawlowski, J., Holzmann, M., Berney, C., Fahrni, J., Cedhagen, T., Bowser, S.,S., 2002, J. For. Res., 32, 334-343 (123 KB)

General description

Large antarctic agglutinated foraminifera with a single giant nucleus (> 500um in diameter). The agglutinated test can be a transient structure.

Representative pictures

Astrammina rara, test removed Astrammina rara, test opened Astrammina rara
1 specimen

Astrammina triangularis

Order “"monothalamids"” > Family “Clade I” > Genus “Astrammina

Original description Earland, A., 1933, Discovery Reports, 7, 27-138
Revision Bowser, S., S., Bernhard, J., M., Habura, A., Gooday, A., J., 2002, J. Foram. Res., 32, 364-374
Further reference Habura, A., Pawlowski, J., Hanes, S., D., Bowser, S., S., 2004, J. Eukaryot. Microbiol., 51, 173-179 (167 KB)
Further reference Pawlowski, J., Holzmann, M., Berney, C., Fahrni, J., Cedhagen, T., Bowser, S.,S., 2002, J. For. Res., 32, 334-343 (123 KB)

General description

Species of Astrammina with flattened, polygonally-shaped test composed of a single layer of sand grains and containing an allogromiid-like sarcode. The test is delicate, variable in shape but typically with an angular, geometrical outline, the angles being projected out into short arms.

Representative pictures

Astrammina triangularis
1 specimen