Find research datasets worth reusing

Fig. 2 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 2. Correlation of Upper Jurassic and Cretaceous sequences from the Barents−Pechora region of the Arctic to Sakhalin in the far east of the Pacific Margin. Localities: 1, Mezen Basin, Pesha section. 2, southeastern Barents−Pechora Basin: 2, Narjan−Mar, borehole 5; 2A, Kolguev, borehole 140. 3, Volga−Pre−Ural Basin: 3, Shilovka section; 3A, Gorodicshe section, Uljanovsk region. 4, Northern and western Siberian basins: 4, Polar Ural, borehole 22; 4A, Upper Salym, borehole 17. 5, western Kamchatka and Chukotka: 5, Palana section; 5A, Omgon; 5B, Semiglawaya Mountains. 6, Sakhalin. Abbreviations for Jurassic: k, Callovian; km, Kimmeridgian; ox, Oxfordian; tt, Tithonian; v, Volgian regional stage. Abbreviations for Cretaceous: al, Albian; ap, Aptian; br, Barremian; bs, Berriasian; cn, Coniacian; cp, Campanian stage; h, Hauterivian; st, Santonian; t, Turonian; v, Valanginian.

Fig. 6 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 6. Scanning electron photomicrographs of Late Jurassic radiolarians from siliceous clay rocks in northern Russia, Barents Sea region. A–F from Kozlova (1994b). A. Quasicrolanium planocephala (Kozlova, 1976), uppermost Volgian, Kolguev offshore, borehole 140, sample 140, VNIGRI N 140−667/41a. B–E. Spinicingula ceratina Kozlova and Vishnevskaya sp. nov. B, C. From Narjan−Mar, borehole 5, Upper Volgian, sample 5. B. Holotype, VNIGRI N 667/66. C. VNIGRI N 667/66−1. D, E. From Upper Volgian, Gorodishce section (Craspedites subditus ammonite Zone) of Uljanovsk Volga Basin, sample G2. D. GIN N G−R1−1. E. GIN N G−R1−2. F, G. Parvicingula alata Kozlova and Vishnevskaya sp. nov., Middle Volgian, Gorodishce section (Dorsoplanites panderi Ammonite Zone) of Uljanovsk Volga Basin, sample G1. F. Holotype, GIN N G−1−2Ka. G. GIN N G−1−3K. H. Parvicingula papulata Kozlova and Vishnevskaya sp. nov., holotype, GIN N P−1K. Pechora Basin, Ukhta section, sample P, Lower Kimmeridgian. Scale bars 50 µm.

Fig. 1 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 1. Location of some radiolarian−bearing source rocks in the Russian Arctic and along the Pacific margins; localities A and B correspond to Fig. 2. 1, Mezen Basin, Pesha section. 2, southeastern Barents−Pechora Basin: 2, Narjan−Mar, borehole 5; 2A, Kolguev, borehole 140. 3. Volga−Pre−Ural Basin: 3, Shilovka section; 3A, Gorodicshe section, Uljanovsk region. 4, Northern and western Siberian basins: 4, Polar Ural, borehole 22; 4A, Upper Salym, borehole 17. 5, western Kamchatka and Chukotka: 5, Palana section; 5A, Omgon; 5B, Semiglawaya Mountains. 6, Sakhalin.

Fig. 9 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 9. Scanning electron micrographs of Berriasian (A–S) (sample 102−1, Tymov area, Veba River) and Tithonian radiolarian (T–AB) assemblages from the eastern Sakhalin Mountains (sample 114, locality Rocky Ridge). A. Acaeniotyle sp., GIN N 102−1−1. B. Praeconocaryomma haeckeli (Aliev, 1965), GIN N 102−1−3. C. Archaeodictyomitra tumandae Dumitrica, 1997, GIN N 102−1−20. D. Archaeodictyomitra leptocostata (Wu and Li, 1982), GIN N 102−1−22. E. Tethysetta usotanensis (Tumanda, 1989), GIN N 102−01−24. F. Cenodiscaella numulitica (Aliev, 1965), GIN N 102−1−5. G, O, P. Syringocapsa lucifer Baumgartner, 1984. G. GIN N 102−1−31. O. GIN N 102−1−33. P. GIN N 102−1−34. H. Stichocapsa altiforamina Tumanda, 1989, GIN N 102−1−35. I. Mirifusus chenodes (Renz, 1974), GIN N 102−1−36. J. Godia sp., GIN N 102−1−39. K, L. Xitus cf. robustum Wu, 1993. K. GIN N 102−1−41. L. GIN N 102−1−42. M. Mirifusus appeninicus Jud, 1994, GIN N 102−1−45. N, S. Sethocapsa pseudouterculus Aita, 1987. N. GIN N 102−1−46. S. GIN N 102−1−47. Q. Sethocapsa zweili Jud, 1994, GIN N 102−1−48. R. Sethocapsa kitoi Jud, 1994, GIN N 102−1−49. T. Hexinastrum? sp., GIN N 114−R1. U. Triactoma mexicana Pessagno and Yang, 1993, GIN N 114−R2. V. Tritrabs sp., GIN N 114−R5. W. Orbiculiforma lowreyensis Pessagno, 1977, GIN N 114−R6. X. Zhamoidellum? ovum Dumitrica, 1970, GIN N 114−R7a. Y, Z. Podobursa tricola Foreman, 1973, Y. GIN N 114−R8. Z. GIN N 114−R9. AA. Stichomitra cf. tairai Aita, 1987, GIN N 114−R10a. AB. Triversus tsunoensis (Aita, 1987), GIN N 114−R13.

Fig. 5 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 5. Scanning electron micrographs of Volgian foraminifera and ostracods from siliceous clay rocks in northern Russia, Barents offshore; sample 234, Middle Volgian (Dorsoplanites panderi Zone) of Pesha River Basin, borehole 234. A, B. Astacolus? suspectus Basov, 1967. A. GIN N 234−F1−1. B. GIN N 234−F2. C. Nodosaria tubifera Reuss, 1863, GIN N 234−F3. D. Citharina? angustissima (Reuss), 1863, GIN N 234−F4−2. E. Marginulinita cf. pyramidalis (Koch, 1851), GIN N 234−F5−3. F–H. Ramulina nodosarioides Dain, 1972. F. GIN N 234−F6−1. G. GIN N 234−F6−2. H. GIN N 234−F6−3. I. Pseudonodosaria? multicostata (Bornemann, 1854), GIN N 234−F7−2. J. Ammodiscus veteranus Kosyreva, 1972, GIN N 234−F8. K, L. Lenticulina sp.? K. GIN N 234−F9−1. L. GIN N 234−F9−2. M. Indeterminate ostracod, GIN N 234−F10.

Fig. 8 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 8. Scanning electron micrographs of Late Cretaceous (Early Campanian) radiolarians from siliceous rocks of the Russian Pacific Rim (western Kamchatka, locality Palana, sample134/01). A. Phaseliforma subcarinata Pessagno, 1975, GIN N 134/01−R3. B, C. Lithomespilus aff. coronatus Squinabol, 1904. B. GIN N 134/01−R5a. C. GIN N 134/01−R5b. D, E, J. Protoxiphotractus perplexus Pessagno, 1973. D. GIN N 134/01−R−8a. E. GIN N 134/01−R8b. J. GIN N 134/01−R5c. F. Protoxiphotractus? sp., GIN N 134/01−R8. G. Stylosphaera hastata (Campbell and Clark, 1944); GIN N 134/01−R4. H. Protoxiphotractus kirbui Pessagno, 1973; GIN N 134/01− R6. I, K. Cornutella californica Campbell and Clark, 1944. I. GIN N 134/01−R11a. K. GIN N 134/01−R11b. L. Coniforma antiochensis Pessagno, 1969, GIN N 134/01−R−10. M. Stichomitra livermorensis (Campbell and Clark, 1944), GIN N 134/01−R15. N. Amphipyndax stocki (Campbell and Clark, 1944), GIN N 134/01−R17. O. Theocapsomma sp., GIN N 134/01−R12.

Fig. 4 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim

Fig. 4. Scanning electron micrographs of Late Jurassic radiolarians from siliceous clay rocks in northern Russia, Barents offshore. Sample 234, Middle Volgian (Dorsoplanites panderi Ammonite Zone) of the Pesha River Basin, borehole 234 (A–C, E–G, I–T). Sample G2, Late Volgian (Craspedites subditus Ammonite Zone) of the Uljanovsk Volga Basin, species from siliceous clay rocks in northern Russia, section Gorogische (D, H). A. Pentalastrum sp., GIN N 234−R−15. B. Praeconocaryomma hexagona (Rüst, 1898), GIN N 234−R10. C. Stylartus sp., GIN N 234−R12. D. Stichocapsa devorata arctica Vishnevskaya and Murchey, 2002, GIN N G−2−R1−3. E, F. Hagiastridae. E. GIN N 234−R11a. F. GIN N 234−R11b. G. Orbiculiforma? retuza (Kozlova, 1971), GIN N 234−R13. H. Spinicingula ceratina Kozlova and Vishnevskaya sp. nov., GIN N G−2−R1−5b. I. Praeparvicingula aff. sencilla Hull, 1995, GIN N 234−R21. J, M. Parvicingula cf. jonesi Pessagno, 1977. J. GIN N 234−R18b. M. GIN N 234−R18c. K. Parvicingula jonesi Pessagno, 1977, GIN N 234−R18a. L. Parvicingula blowi Pessagno, 1977, GIN N 234−R16. N. Parvicingula cf. grantensis Pessagno and Whalen, 1982, GIN N 234−R19b. O. Praeparvicingula holdsworthi (Yang, 1993), GIN N 234−R17. P. Parvicingula cf. obstinata Hull, 1995, GIN N 234−R23b. Q. Stichocapsa sp., GIN N 234−R27. R. Parvicingula rothwelli Pessago, 1977, GIN N 234−R24. S. Praeparvicingula rotunda Hull, 1995, GIN N 234−R25. T. Parvicingula alata Kozlova and Vishnevskaya sp. nov., GIN N 234−R1−2.

FIGURE 31 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 31. Photographs of the encountered morphotypes of Circodiscus. 1-2, Circodiscus amphitrites (Ehrenberg, 1854b); 3-4, Circodiscus biorbiculus n. sp.; 5-14, Circodiscus microporus (Stöhr, 1880); and 15-16, Circodiscus pseudomicroporus n. sp. All are Sg-view at Type1, Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 30 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 30. Photographs of the encountered morphotypes of Qiuripylolena. 1-10, Qiuripylolena chikuchik n. sp.; 11- 22, Qiuripylolena pompon n. sp.; 23-34, Qiuripylolena? multiconcentica n. sp. All are Sg-view at Type 1. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 29 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 29. Photographs of the encountered morphotypes of Sphaerolarnacillium tanzhiyuani n. sp. All are Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 26 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 26. Photographs of the encountered morphotypes of Phorticium scitulum n. sp. 1-23, Sg-view at Type 1. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 25 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 25. Photographs of the encountered morphotypes of Phorticium polycladum Tan and Tchang, 1976. 1-10, Sg-view at Type 1; 11-14, Pl-view at Type 1. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 32 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 32. Photographs of the encountered morphotypes of Tholomura. 1-11, Tholomura hexonia (Haeckel, 1887); 12-23, Tholomura pilula n. sp.; 24-32, Tholomura polystyla (Chen, 1987). 1-16, 19-23, 26-32, Pl-view at Type 1; 17- 18, 24-25, Lt-view at Type 1. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 27 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 27. Photographs of the encountered morphotypes of Sphaerolarnacillium cochleatum gen. et n. sp. All are Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 28 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 28. Photographs of the encountered morphotypes of Sphaerolarnacillium exactum n. sp. All are Fr-view at Type 2. Scale bar equala 0.1 mm. All specimens are from YDY05-01.

FIGURE 24 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 24. Photographs of the encountered morphotypes of Phorticium multispinum Popofsky, 1912 sensu emend. (1-3) and Phorticium itakii n. sp. (4-6). All are Pl-view at Type 1, Fr-view at Type 2. Scale bar equala 0.1 mm. All specimens are from YDY05-01.

FIGURE 22 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 22. Photographs of the encountered morphotypes of Sphaeropylolena laxa n. sp. All are Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 23 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 23. Photographs of the encountered morphotypes of Sphaeropylolena tenellispinosa n. sp. All are Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 21 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 21. Photographs of the encountered morphotypes of Larcopyle buetschlii orion n. subsp. All are Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.

FIGURE 18 in Taxonomy and species diversity of Holocene pylonioid radiolarians from surface sediments of the northeastern Indian Ocean

FIGURE 18. Photographs of the encountered morphotypes of Larcopyle. 1-6, Larcopyle variabile (Dreyer, 1889) sensu emend.; 7-12, Larcopyle molle n. sp.; 13-18, Larcopyle eccentricanoides n. sp.; 19-22, Larcopyle pulchella n. sp. All are Fr-view at Type 2. Scale bar equals 0.1 mm. All specimens are from YDY05-01.