Species of family “Alveolinidae” (2)

Alveolinella quoyi

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

Original description Orbigny, A.D., , 1839, 2
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)
Further reference Hohenegger, J., Yordanova, E., Nakano, N., Tatzreiter, F., 1999, Mar. Micropal., 109-168
Further reference Leutenegger, S., 1984, J. For. Res., 14, 16-35

General description

Alveolinidae have fusiform tests that are elongated along the coiling axis. The chambers of A. quoi are divided into chamberlets and numerous apertures occur in several longitudinal rows. Living specimens are characterized by a brownish colour, due to their diatom endosymbionts.

Representative pictures

Alveolinella quoi Alveolinella quoi
1 specimen

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