Hopkinsinella glabra (Millett)

Hanagata, S & Nobuhara, T, 2015, Illustrated guide to Pliocene foraminifera from Miyakojima, Ryukyu Island Arc, with comments on biostratigraph, Palaeontologia Electronica (Cambridge, England) 33 (8), pp. 1-142 : 78

Hopkinsinella glabra (Millett)

Figures 25.7, 25.8

1903 Uvigerina auberiana d’Orbigny var. glabra Millett (part XIV), p. 268, pl. 5, figs. 8, 9.

1933 Hopkinsina pacifica Cushman (b), p. 86, pl. 8, fig. 16.

1942 Hopkinsina pacifica Cushman — Cushman, p. 51, pl. 15, fig. 1.

1977 Hopkinsina cf. pacifica Cushman — McCulloch, p. 263, pl. 102, figs. 21, 22.

1988 Hopkinsina pacifica Cushman — Wang, Zhang, Zhao, Min, Bian, Zheng, Cheng, and Chen, p. 155, pl. 30, fig. 3.

1989 Hopkinsina glabra (Millett) — Ōki, p. 120, pl. 12, fig. 6.

1992 Hopkinsina glabra (Millett) — Ōki and Yamamoto, p. 197, fig. 5-3.

1993 Hopkinsinella glabra (Millett) — Haig, pl. 1, figs. 15—17.

1994 Hopkinsinella glabra (Millett) — Loeblich and Tappan, pp. 118, 119, pl. 232, figs. 1— 11.

1996 Hopkinsinella glabra (Millett) — Revets (a), p. 14, pl. 10, figs. 5—8.

2002 Hopkinsina pacifica Cushman — Akimoto, Matsui, Shimokawa, and Furukawa, p. 15, pl. 43, fig. 1.

Remarks. Hopkinsinella pacifica is regarded as a junior synonym of the present species.

Occurrence. Sporadic in the Yonahama and Minebari formations.

Figures

FIGURE 25. Family Stainforthiidae and Siphogenerinoididae. All scale bars = 0.1mm. 1, 2. Stainforthia tenuata (Cushman), 1: MPC-26510 from sample 8-2 (Yonahama Formation, PL4); 2: MPC-26511 from sample 15 (Yonahama F., PL3). 3, 4. Euloxostomum bradyi (Asano), 3: MPC-26239 from sample 8-2 (Yonahama F., PL4); 4: MPC-26240 from sample MK02B (Minebari F., PL5). 5, 6. Euloxostomum pseudobeyrichi (Cushman), 5: MPC-26241 from sample 5 (Minebari F., PL5); 6: MPC-26242 from sample 5-2 (Minebari F., PL5). 7, 8. Hopkinsinella glabra (Millett), 7: MPC- 26326 from sample 1 (Minebari F., PL5); 8: MPC-26327 from sample 14-2 (Yonahama F., PL4). 9, 10. Rectobolivina asanoi Murata, 9: MPC-26453 from sample 18 (Oura F.,?PL1); 10: MPC-26454 from sample MK02A (Minebari F., PL5); 9 microspheric form, 10 megalospheric form. 11, 12. Rectobolivina bifrons (Brady), 11: MPC-26455 from sample 17 (Yonahama F., PL2); 12: MPC-26456 from sample MK01 (Yonahama F., PL2); 11 microspheric form, 12 megalospheric form. 13, 14. Rectobolivina sp.A, 13: MPC-26457 from sample 6 (Yonahama F., PL2); 14: MPC-26458 from sample 17 (Yonahama F., PL2). 15. Sagrinella convallaria (Millett), MPC-26476 from sample 10 (Onogoshi F., PL2). 16, 17. Sagrinella durrandii (Millett), 16: MPC-26477 from sample 1 (Minebari F., PL5); 17: MPC-26478 from sample 5 (Minebari F., PL5). 18, 19. Sagrinella jugosa (Brady), 18: MPC-26479, 19: MPC-26480, both from sample MK01 (Yonahama F., PL2). 20, 21. Saidovina formosana (Nakamura), 20: MPC-26481, 21: MPC-26482, both from sample 18 (Oura F.,?PL1). 22, 23. Saidovina karreriana (Brady), 22: MPC-26483 from sample 5 (Minebari F., PL5); 23: MPC-26484 from sample MK02B (Minebari F., PL5). 24, 25. Rectuvigerina striata (Schwager), 24: MPC-26459 from sample 8-2 (Yonahama F., PL4); 25: MPC-26460 from sample 14 (Yonahama F., PL4). 26. Allassoida tonohamaensis (Takayanagi), MPC-26110 from sample 1-2 (Minebari F., PL5).