Species found in “Sea grass meadow” (3)

Archaias angulatus

Order “Miliolida” > Family “Soritidae” > Genus “Archaias

Original description Fichtel, L., Moll, J., P., C., 1798, Vienna, Camesina
Further reference Hallock, P., Peebles, W. M., 1993, Mar. Micropal., 277-292
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)
Further reference Pawlowski , J., Holzmann, M., Fahrni, J., Hallock, P., 2001, J. Eukaryot. Microbiol., 48, 362-367 (598 KB)

General description

Early chambers in Archaias are planispiral and involute while later ones become cyclical and evolute and are divided by interseptal pillars. Living specimens are green because of their endosymbionts.

Representative pictures

Archaias angulatus Archaias angulatus; living specimen
5 specimens

Hemisphaerammina bradyi

Order “"monothalamids"” > Family “Clade F” > Genus “Hemisphaerammina

Original description Jones, T., R., Parker, W., K., Brady, H.,B., 1866, Monograph of the Paleontographical Society, London , 19, 1-72
Further reference Meisterfeld, R., Holzmann, M., Pawlowski, J., 2001, Protist, 152, 185-192 (547 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

Hemisphaerical coarsely agglutinated test with yellowish-orange allogromiid inside, epibenthic mode of life, often attached to seagrass blades.

Representative pictures

Hemisphaerammina bradyi Hemisphaerammina bradyi, test partially removed Hemisphaerammina bradyi, test completely removed
1 specimen