Species found in “Reef sediment” (8)

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

Borelis schlumbergeri

Order “Miliolida” > Family “Alveolinidae” > Genus “Borelis

Original description Reichel, M., 1937, Mém. Soc. Paléontol. Suisse, 95-147
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)

General description

The genus Borelis possesses spherical to fusiform tests, chambers are divided into chamberlets. Multiple apertures occur in a single row. Living specimens appear brownish in colour due to diatom endosymbionts

Representative pictures

Borelis schlumbergeri Borelis schlumbergeri
2 specimens

Broeckina sp.

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

Description Levy, A., 1977, Bull. Cent. Rech. Explor.-Prod. Elf-Aquitaine, 393-449
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

Discoidal test with annular chambers that have internal subdivisions. Living specimens are green due to chlorophycean endosymbionts. Occurence: Carribean Sea.

Representative pictures

Broeckina sp. Broeckina sp., living specimen
1 specimen

Peneroplis pertusus

Order “Miliolida” > Family “Peneroplidae” > Genus “Peneroplis

Original description Forskal, P., 1775, Copenhagen, 125
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)
Description Cimerman, F., Langer, M., , 1991, 30, Academia Scientiarum et Artium Slovenica Classis IV: Historia Naturalis, 1-119

General description

Discoidal test, central part of the test is inflated, one to two rows of apertures are aligned in a median groove. The test surface is ornamented with longitudinal stria. Living specimens have a distinct purple colour due to rhodophycean symbionts.

Representative pictures

Peneroplis pertusus
2 specimens

Peneroplis planatus

Order “Miliolida” > Family “Peneroplidae” > Genus “Peneroplis

Original description Fichtel, L., Moll, J., P., C., 1798, Vienna, Camesina
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)
Description Cimerman, F., Langer, M., , 1991, 30, Academia Scientiarum et Artium Slovenica Classis IV: Historia Naturalis, 1-119

General description

Compressed test with involute and planispirally enrolled chambers in an early stage. Longitudinal stria as surface ornaments, apertures are arranged in a series of pores. As in all Peneroplidae, chambers have no internal subdivisions and rhodophyceans are housed as endosymbionts.

Representative pictures

Peneroplis planatus Peneroplis planatus
5 specimens

Spirolina acicularis

Order “Miliolida” > Family “Peneroplidae” > Genus “Spirolina

Original description Batsch, A., I., G., C.,, 1791, Jena
Description Bock, W., D., Lynts, G., W., Smith, S., Wright, R., Hay, W., W., Jones, J., I., 1971, Miami Geological Society Publications, Memoir 1

General description

Peneroplid coiling of early chambers. The later portion of the test becomes uncoiled and uniserial. Living specimens are red due to rhodophycean symbionts.

Representative pictures

Spirulina acicularis
1 specimen

Spirolina arietinus

Order “Miliolida” > Family “Peneroplidae” > Genus “Spirolina

Original description Batsch, A., I., G., C.,, 1791, Jena
Description Bock, W., D., Lynts, G., W., Smith, S., Wright, R., Hay, W., W., Jones, J., I., 1971, Miami Geological Society Publications, Memoir 1

General description

Peneroplid coiling in early portion but not completely involute, later chambers become uncoiled. red colour in living specimens due to rhodophycean endosymbionts.

Representative pictures

Spirolina arietinus Spirolina arietinus Spirolina arietinus
1 specimen