Species found in “Southern Ocean, Weddell Sea” (24)

Bathyallogromia weddellensis

Order “"monothalamids"” > Family “Clade C2” > Genus “Bathyallogromia

Original description Gooday, A., J., Holzmann, M., Guiard, J., Cornelius, N., Pawlowski, J., 2004, Deep Sea Research II, 51, 1603-1616 (674 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

The test is light in colour and approximately spherical to broadly oval in shape.The aperture is situated on a broad, low, moundlike projection with sloping sides and a slightly uneven outer edge.

Representative pictures

Bathyallogromia weddellensis Bathyallogromia weddellensis, 4000m Bathyallogromia weddellensis Bathyallogromia weddellensis Bathyallogromia weddellensis, 2000m
4 specimens

Conqueria laevis

Order “"monothalamids"” > Family “Clade CON” > Genus “Conqueria

Original description Gooday, A. J., Pawlowski, J., 2004, J. Mar. Biol. Ass. U.K., 84, 919-924 (270 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

The test is elongate, tubular, with a smooth outline uninterrupted by irregularities apart from slight fluctuations in width. There is a single terminal aperture.The test is usually more or less straight or slightly curved, occasionally more strongly curved or following asinuous course. It ranges from 340 to 1400 mm in length and 50 to 100 mm in width.

Representative pictures

Conqueria laevis Conqueria laevis, holotype
6 specimens

Leptammina flavofusca

Order “"monothalamids"” > Family “Clade C4” > Genus “Leptammina

Original description Cedhagen, T., Gooday, A., J., Pawlowski, J., 2009, Zootaxa, 2096, 9-22 (1.76 MB)
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

Thin and finely agglutinated test wall, cell body is yellow-brownish in appearance. Round aperture with well developed peduncular sheet.

Representative pictures

Leptammina flavofusca Leptammina flavofusca
4 specimens

Leptammina grisea

Order “"monothalamids"” > Family “Clade C4” > Genus “Leptammina

Original description Cedhagen, T., Gooday, A., J., Pawlowski, J., 2009, Zootaxa, 2096, 9-22 (1.76 MB)
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

Spherical body with finely agglutinated test wall.Test is coloured grey to violet-grey and opaque with non-reflective surface.

Representative pictures

Leptammina grisea
3 specimens

Rhizammina algaeformis

Order “"monothalamids"” > Family “Clade C” > Genus “Rhizammina

Original description Brady, H., B., 1879, Quarterly Journal of the Royal Microscopical Society, new series., 19, 20-63
Revision Cartwright, N., G., Gooday, A., J., Jones, A., R., 1989, J. For. Res., 19, 115-125
Further reference Lecroq, B., Gooday, A., J., Tsuchiya, M., Pawlowski, J., 2009, Zool. J. Linn. Soc., 156, 455-464 (610 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

The test wa11 is cornposed of a thin mucopolysaccharide layer overlain by a thicker agglutinated layer. The test lumen is occupied mainly by large accumulations of stercomata (waste pellets), alongside which runs a narrow protoplasmic strand.

Representative pictures

Rhizammina algaeformis
1 specimen