Species found in “Japan, Sesoko, Okinawa” (24)

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

Amphisorus hemprichii

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

Original description Ehrenberg, C., G., 1839, Physikal. Abh. Königl. Akad. Wiss. Berlin, 81-174
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., Pochon, X., Lee, J., J., 2001, J. Eukaryot. Microbiol., 48, 368-373 (124 KB)
Further reference Garcia-Cuetos, L., Pochon, X., Pawlowski, J., 2005, Protist, 156, 399-412 (401 KB)
Description Gudmundsson, G., 1994, Micropaleontology, 40, 101-155

General description

Discoidal test with thickened rim and annular chambers that are divided into chamberlets; several rows of apertures on the peripheral margin. Living specimens are brownish due to dinophycean endosymbionts.

Representative pictures

Amphisorus hemprichii; Japan, Sesoko Amphisorus hemprichii; Israel, Elat; living specimen Amphisorus hemprichii; Israel, Elat; living specimen Amphisorus hemprichii, Japan, Sesoko Amphisorus hemprichii, Japan, Sesoko
4 specimens

Amphisorus kudakajimaensis

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

Original description Gudmundsson, G., 1994, Micropaleontology, 40, 101-155
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., Pochon, X., Lee, J., J., 2001, J. Eukaryot. Microbiol., 48, 368-373 (124 KB)

General description

Large discoidal test with annular chambers divided into chamberlets. Numerous elongated and irregular shaped apertures occur along the peripheral margin. Living specimens are brownish due to dinophycean endosymbionts.

Representative pictures

Amphisorus kudakajimaensis; living specimen Amphisorus kudakajimaensis Amphisorus kudakajimaensis; Japan, Sesoko Amphisorus kudakajimaensis, japan, Sesoko
3 specimens

Cycloclypeus carpenteri

Order “Rotaliida” > Family “Nummulitidae” > Genus “Cycloclypeus

Original description Brady, H.B., 1881, Quart. J. Microscop. Scie. (London), 21, 31-71
Further reference Holzmann M., Hohenegger J., Pawlowski J., 2003, J. For. Res., 33, 277-284 (127 KB)
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28
Further reference Hohenegger, J., 2009, Galaxea, Journal of Coral Reef Studies., 2, 81-89

General description

Large discoidal test with annular chambers divided into chamberlets by secondary septa. Brownish colour in living specimens due to diatom endosymbionts.

Representative pictures

Cycloclypeus carpenteri Cycloclypeus carpenteri, gamont, Japan, Sesoko Cycloclypeus carpenteri
2 specimens

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

Neorotalia calcar

Order “Rotaliida” > Family “Calcarinidae” > Genus “Neorotalia

Original description Orbigny, A.D., , 1839, 2
Revision Hottinger, L., Halicz, E., Reiss, Z., 1991, J. Paleontol., 65, 18-33
Description Renema, W., Hoeksema, B., W., van Hinte, J., E., 2001, Zool. Verh. Leiden, 334, 115-149

General description

Trochospirally coiled test, involute on umbilical side. More or less biconvex in side view. Chambers in the last whorl with one triangular spine each.

Representative pictures

Neorotalia calcar, Japan Neorotalia calcar, Japan Neorotalia calcar, Japan
1 specimen

Nummulites venosus

Order “Rotaliida” > Family “Nummulitidae” > Genus “Nummulites

Original description Fichtel, L., Moll, J., P., C., 1798, Vienna, Camesina
Further reference Holzmann M., Hohenegger J., Pawlowski J., 2003, J. For. Res., 33, 277-284 (127 KB)
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28
Description Hottinger, L., 1977, Mémoires du Muséum National d`Histoire Naturelle, Paris., 40, Série C, 1-159

General description

Involute test, planispirally enrolled with undivided chambers. Living specimens are brownish due to diatom endosymbionts

Representative pictures

Nummulites venosus Nummulites venosus
3 specimens

Operculina ammonoides

Order “Rotaliida” > Family “Nummulitidae” > Genus “Operculina

Original description Gronovius, L., T., 1781, Haak et Cie (Leyden), Tome 3., 241-380
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28
Further reference Holzmann M., Hohenegger J., Pawlowski J., 2003, J. For. Res., 33, 277-284 (127 KB)
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)

General description

Semiinvolute test with undivided chambers and ornamented surface.Brownish colour in living specimens due to diatom symbionts.

Representative pictures

Operculina ammonoides Opercilina ammonoides, Japan, Sesoko Operculina ammonoides, Japan, Sesoko
2 specimens

Operculina complanata

Order “Rotaliida” > Family “Nummulitidae” > Genus “Operculina

Original description DeFrance, M., J., L., 1822, Tome 25, Dictionnaire des Sciences Naturelles, F. G. Levrault, Paris, 453
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)

General description

Flat test, semiinvolute to evolute, scarcely covered with knobs. Chambers are undivided. Living specimens show a brownish colour caused by diatom symbionts.

Representative pictures

Operculina complanata
4 specimens

Operculina discoidalis

Order “Rotaliida” > Family “Nummulitidae” > Genus “Operculina

Original description Orbigny, A. D’, 1826, Annales du Museum d’Histoire Naturelles, Paris, 7, 1-275
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)

General description

Involute test with prominent surface ornamentation and undivided chambers. Brownish colour in living specimens caused by diatom symbionts.

Representative pictures

Operculina discoidalis
2 specimens

Operculina elegans

Order “Rotaliida” > Family “Nummulitidae” > Genus “Operculina

Original description Cushman, A., J., 1921, U. S. Nat. Mus. Bull. Washington, D. C., USA, 4
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)
Description Yordanova, E., Hohenegger, J., 2004, Micropaleontology, 50, 149-177

General description

Flat semiinvolute to evolute tests and nearly smooth test surfaces, scarcely covered with knobs. O. elegans resemblesin these aspects O.complanata. What distinguishes the two species are septal flaps that are smooth in O. elegans and folded in O. complanata. Brownish colour in living specimens caused by diatom symbionts.

Representative pictures

Operculina elegans
1 specimen

Operculinella cumingii

Order “Rotaliida” > Family “Nummulitidae” > Genus “Operculinella

Original description Carpenter, W., B., 1859, Royal Soc. London, Philos. Trans., 149, 1-41
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)

General description

Smooth exterior, undivided chambers. External similarities in shape to N. venosus but is distinguished by the latter by the possession of trabeculae. Brownish colour in living specimens caused by diatom symbionts.

Representative pictures

Operculinella cumingii
2 specimens

Parasorites sp.

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

Description Levy, A., 1977, Bull. Cent. Rech. Explor.-Prod. Elf-Aquitaine, 393-449
Further reference Holzmann M., Hohenegger J., Hallock P., Piller W.E., Pawlowski J., 2001, Mar. Micropal., 43, 57-74 (602 KB)

General description

Discoidal test with annular chambers that are subdivided into chamberlets. Green colour in living specimens is caused by chlorophycean endosymbionts. Occurence: Indopacific.

Representative pictures

Parasorites sp., Japan, Sesoko, Okinawa Parasorites sp., Japan, Sesoko, Okinawa Parasorites sp., Japan, Sesoko, Okinawa Parasorites sp.
3 specimens

Planoperculina heterosteginoides

Order “Rotaliida” > Family “Nummulitidae” > Genus “Planoperculina

Original description Hofker, J., 1933, Dansk Naturh. Foren. Kobenhavn, Vidensk. Meddel., Kobenhavn, Danmark., 148
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28

General description

Flat and fragile test, chambers are incompletely divided by secondary septa into chamberlets. Surface ornamentation in form of knobs around the center of the test. Brownish colour in living specimens due to diatom symbionts.

Representative pictures

Planoperculina heterosteginoides Planoperculina heterosteginoides; Japan, Sesoko Planoperculina heterosteginoides; Japan, Sesoko Planoperculina heterosteginoides; Japan, Sesoko
1 specimen

Planostegina operculinoides

Order “Rotaliida” > Family “Nummulitidae” > Genus “Planostegina

Original description Hofker, J., 1927, In: Siboga Expeditie; Uitkomsten op zoologisch, botanisch, oceanographisch en geologisch gebied,versameld in Nedelandsch Oost-Indi 1899-1900 aan boord H.M. Siboga. Leiden, E. J. Brill, Monografen 4, 1-78
Further reference Holzmann M., Hohenegger J., Pawlowski J., 2003, J. For. Res., 33, 277-284 (127 KB)
Further reference Holzmann, M., Berney, C., Hohenegger, J., 2006, Symbiosis, 42, 93-101 (3.03 MB)
Description Hohenegger, J., Yordanova, E., Hatta, A., 2000, J. Foram. Res., 30, 3-28

General description

Flat and thin test, chambers are divided by secondary septa into chamberlets. In P. operculinoides surface ornamentation is present in the form of knobs around the center of the test , it is less pronounced than in P. longisepta. Brownish colour in living specimens due to diatom symbionts.

Representative pictures

Planostegina operculinoides Planostegina operculinoides, Japan, Minna Jima Planostegina operculinoides, Japan, Minna Jima
2 specimens