Vachard et al.—Eifelian–Givetian foraminifers of the Carnic Alps (Austria)
1987 Suleimanovella (Kolongella) pojarkovi; Zadorozhnyi and Yuferev in Zadorozhnyi, p. 27, pl. 2, figs. 9–11. (Kolongella)
1988 Suleimanovella et al., p. 31.
pojarkovi; Bogush
1990 Suleimanovella (Kolongella) pojarkovi; Bogush and Yuferev, p. 21.
2008 Parathurammina pojarkovi;Anfimov, p. 78. 2009 Parathurammina du groupe P. dagmarae Suleimanov; Mamet and Préat, fig. 1.13 (non fig. 1.11, 1.12, 1.14– 1.17=Bykovaella spp.).
2009 Parathurammina crassitheca Antropov; Mamet and Préat, fig. 1.18 (non fig. 1.19=Parathurammina uralica).
?2013 Parathurammina aff. pojarkovi (Zadorozhnyi and Yuferev); Makarenko and Savina, p. 128.
Holotype.—Axial section (No. 619/18; Geological Institute of Novosibirsk) from the Givetian of Tomsk oblast, SW Siberia, Russia (Zadorozhnyi and Yuferev, 1984, pl. 2, fig. 6).
Diagnosis.—Moderate species characterized by numerous short necks (17), irregularly arranged. Wall relatively thin.
Occurrence.—Eifelian of SW Siberia. Givetian of SW Siberia and the central Urals. Late Eifelian of Belgium. Givetian of Mount Polinik (Carnic Alps, Austria).
Description.—Outer diameter=0.32mm (type material: 0.13– 0.28mm); inner diameter=0.29mm; number of necks: 17; test wall thickness=0.007mm (type material: 0.004-0.012mm).
Materials.—Three specimens (sample POL11-21). Genus Bithurammina Miklukho-Maklay, 1965 non 1963
Type species.—Bithurammina dagmarae Miklukho-Maklay, 1965 (= Parathrammina? aff. P. dagmarae Grozdilova and Lebedeva, 1954).
Other species.—Bithurammina sphaerica Ektova, 1968; ?B. angulata Kotlyar, 1982.
Diagnosis.—Test bilocular (or unilocular with daughter-cell?). Inner chamber and outer chamber spherical, similar to Para- thurammina ex gr. dagmarae, with radiate, papilliform pro- tuberances. No apertures at the inner chamber, apertures of outer chamber at extremity of each neck. Wall dark-microgranular, but possibly bilayered as in Parathurammina.
355
Occurrence.—Late Early Devonian of northern Spain (Vachard, 1991). Givetian of Vietnam (Doan in Tong et al., 1988), Zeravshano-Gissar (Lavrusevich et al., 1979), and Aus- tria (this paper). Late Devonian of the Pre-Urals, Urals, Russian Platform, Tajikistan and Kyrgyzstan, ?Famennian of Ukraine, ?Tournaisian of NW Mexico (as Foraminifera? sensu Brunner,
1976, pl. 4, fig. 9) and SW Siberia (Kazennov et al., 1975, pl. 1, figs. 13, 14).
Remarks.—As defined by its type species, Bithurammina is probably a development stage of Parathurammina sensu stricto; however, some other atypical species of Bithurammina can entail the same stages in the genus Salpingothurammina; as, for example, B. sphaerica Ektova, 1968 and the material described herein; whereas other ones, like B. angulata Kotlyar, 1982, are more difficult to interpret. These stages of development are apparently opposed to assignment of the parathuramminids to the foraminifers, but are more consistent with daughter-cells of volvocales evokated by Kaźmierczak (1976).
Bithurammina aff. B. sphaerica Ektova, 1968 Figures 8.29?, 9.20?, 10.24
?1968 Bithurammina sphaerica Ektova, p. 98, pl. 34, figs. 2–4.
2016a Bithurammina? sp.; Vachard, fig. 3.29.
Holotype.—Axial section (No. 1-3a/
8283.Ts.GM, Leningrad/ Sankt Petersburg) from the the Famennian of Kok-Shaal, Kyr- gyzstan (Ektova in Markosvskyi, 1968, pl. 34, fig. 2).
Diagnosis.—Test unilocular. Inner chamber apparently sphe- rical. Outer chamber spherical with radiate necks, prominent at the periphery and communicating with the outer chamber. Inconspicuous apertures at the inner chamber. Wall relatively thin.
Occurrence.—Famennian of the Kok Shaal Range (Kyrgyz- stan). Givetian of Mount Polinik (Carnic Alps, Austria).
Description.—Test outer diameter=0.20mm (type material: 0.14–0.16 mm); inner chamber diameter=0.07mm (type material=0.07–0.08mm); test wall thickness=0.007mm(type material: 0.006–0.011 mm).
Materials.—Three specimens (samples POL11a-34, ?POL14-7, ?POL14-33).
Figure 10. (1, 10) Parathurammina cf. P. uralica Petrova, 1981: (1) sample POL11b-13; (10) sample POL13a-2b. (2) Parathurammina graciosa Pronina, 1960, sample POL11a-21. (3) Bykovaella breviradiosa (Reitlinger, 1962), sample POL11b-19b. (4–8) Bykovaella bykovae (Poyarkov in Purkin et al., 1961): (4) sample POL13a-5; (5) sample POL13a-6; (6) sample POL13a-8; (7) right, with P. arguta (left), sample POL11b-5; (8) sample POL11b-19. (7, 9, 10) Parathurammina arguta Pronina, 1960; (7) (with Bykovaella bykovae), sample POL11-2; (9) sample POL13a-1; (10) sample POL13a-7. (11) Kolongella cf. K. pojarkovi Zadorozhnyi and Yuferev, 1984, sample POL11b-21. (12) Salpingothurammina sp. 1, sample POL13a-3. (13) Ivanovella sp. 1, sample POL11a-9. (14) Ivanovella sp. 2, sample POL11a-10b. (15) Ivanovella sp. 3, sample POL11-5. (16, 17, 22?) Ivanovella reitlingerae n. sp.: (16) holotype, sample POL11a-38; (17) paratype, sample POL11a-40; (22) paratype?, sample POL11a-2. (18, 20, 21) Ivanovella luginensis Zadorozhnyi and Yuferev in Dubatolov, 1981: (18) sample POL11b-18a; (20) sample POL11b-21b; (21) sample POL11a-9a. (19) Ivanovella sp. 4, sample POL11a-8. (23) Salpingothurammina cf. S. kakvensis (Petrova, 1981), sample POL13a-3a. (24) Bithurammina aff. B. sphaerica Ektova, 1968, sample POL11a-34. (25) Suleimanovella sp. 2., sample POL4c. (26, 27) Suleimanovella sp. 3: (26) sample POL11b-12; (27) sample POL13b-10. (28–32) Radiosphaerella poyarkovi n. sp.: (28) holotype, sample POL11b-24; (29) paratype, sample POL11a-25a; (30) paratype, sample POL11a-22; (31) paratype, sample POL11a-17; (32) paratype, sample POL11a-11. (33) Marginara? sp., sample POL14-24. (34) Parathuramminites sp., sample POL14-1. (35, 36) Bykovaella cf. B. macilenta (Pronina, 1970): (35) sample POL14-21; (36) sample POL14-20. (37) Vasicekia? sp., sample POL3-6. Scale bars=0.1mm.
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