Species of family “Peneroplidae” (5)

Dendritina zhengae

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

Original description Hatta, A., Ujiie, H., 1992, Bull. Coll. Scie. Univ. Ryukyus, 49-119
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)
Description Hohenegger, J., Yordanova, E., Nakano, N., Tatzreiter, F., 1999, Mar. Micropal., 109-168

General description

D. zhengae has an evolute planispiral test that becomes uncoiled in later portions. The aperture is dendritic. Living specimens are distinguished by a purple colour due to rhodophycean endosymbionts.

Representative pictures

Dendritina zhengae Dendritina zhengae
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