Lobatula lobatula (Walker and Jacob)

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 : 106

Lobatula lobatula (Walker and Jacob)

Figures 31.8, 31.9

1798 Nautilus lobatulus Walker and Jacob in Kanmacher, p. 642, pl. 14, fig. 36.

1921 Truncatulina lobatula (Walker and Jacob) — Cushman, p. 313, pl. 63, fig. 2.

1941 Cibicides lobatulus (Walker and Jacob) — LeRoy (Part 3), p. 119, pl. 1, figs. 12—14.

1959 Cibicides lobatulus (Walker and Jacob) — Graham and Militante, pp. 116, 117, pl. 19, fig. 12.

1964 Cibicides lobatulus (Walker and Jacob) — LeRoy, p. F45, pl. 8, figs. 10—12.

1984 Cibicides lobatulus (Walker and Jacob) — Rögl and Hansen, p. 68, pl. 26, figs. 9—11.

1985 Cibicides lobatulus (Walker and Jacob) — Papp and Schmid, p. 64, pl. 56, figs. 1—5, p. 65, pl. 57, figs. 1—3.

1987 Lobatula lobatula (Walker and Jacob) — Loeblich and Tappan, pl. 637, figs. 10—13.

1988 Cibicides lobatulus (Walker and Jacob) — Wang, Zhang, Zhao, Min, Bian, Zheng, Cheng, and Chen, p. 162, pl. 25, figs. 12— 14; Marle, p. 141, pl. 4, figs. 18, 19.

1992 Cibicides lobatulus (Walker and Jacob) — Hatta and Ujiié (b), pp. 188, 189, pl. 37, figs. 4, 5.

1994 Cibicides lobatulus (Walker and Jacob) — Jones, p. 97, pl. 92, fig. 10, pl. 93, figs. 1, 4, 5, pl. 115, figs. 4, 5.

1994 Lobatula lobatula (Walker and Jacob) — Loeblich and Tappan, p. 150, pl. 316, figs. 1—7.

2001 Cibicides lobatulus (Walker and Jacob) — Kawagata, p. 99, fig. 12-1.

2002 Lobatula lobatulus (Walker and Jacob) — Akimoto, Matsui, Shimokawa, and Furukawa, p. 20, pl. 54, fig. 1.

Remarks. Molecular phylogenetic study by Schweizer et al. (2009) has indicated that this species is very close to the genus Cibicidoides , not to Cibicides . Therefore, we distinguish Lobatula from

Cibicidoides following Loeblich and Tappan (1987,

1994).

Occurrence. Sporadic in the Minebari Formation.

Figures

FIGURE 31. Family Planulinidae, Cibicididae, Epistomariidae, Amphisteginidae, and Nonionidae. All scale bars = 0.1mm. 1, 2. Planulina retia Belford, 1: MPC-26416 from sample 2 (Minebari Formation, PL5); 2: MPC-26417 from sample 5-2 (Minebari F., PL5). 3, 4. Cibicides refulgens de Montfort, 3: MPC-26197 from sample 2-2 (Minebari F., PL5); 4: MPC-26198 from sample 14-2 (Yonahama F., PL4). 5. Cibicides tenuimargo (Brady), MPC-26199 from sample 4-2 (Minebari F., PL5); stripe pattern on the dorsal side implies attached material. 6, 7. Fontbotia wuellerstorfi (Schwager), 6: MPC-26272 from sample MK01 (Yonahama F., PL2); 7: MPC-26273 from sample MK02A (Minebari F.,PL5).8, 9. Lobatula lobatula (Walker and Jacob), 8: MPC-26367 from sample 5 (Minebari F., PL5); 9: MPC-26368 from sample 5-2 (Minebari F., PL5). 10, 11. Dyocibicides biserialis Cushman and Valentine, 10: MPC-26224 from sample 2-2 (Minebari F., PL5); 11: MPC-26225 from sample 3-2-up-sand (Onogoshi F., PL1). 12—14. Pseudoeponides japonicus Uchio, 12: MPC-26430 from sample 14 (Yonahama F., PL4); 13: MPC-26431 and 14: MPC-26548 from sample MK02B (Minebari F., PL5); arrows in 14 shows slit opening along dorsal sutures. 15, 16. Amphistegina lessonii d'Orbigny, 15: MPC-26123 from sample 2 (Minebari F., PL5); 16: MPC-26124 from sample 2-2 (Minebari F., PL5); all specimens of this study are juveniles. 17, 18. Nonion japonicum Asano, 17: MPC-26392 from sample 5-2 (Minebari F., PL5); 18: MPC-26393 from sample 11 (Onogoshi F.,?PL1). 19, 20. Nonionellina labradorica (Dawson), 19: MPC-26394 from sample 1-2 (Minebari F., PL5); 20: MPC-26395 from sample MK02B (Minebari F., PL5). 21, 22. Pseudononion cuevasensis Saunder and Müller-Merz, 21: MPC-26438 from sample 10 (Onogoshi F., PL2); 22: MPC-26439 from sample MK02B (Minebari F., PL5). 23, 24. Pseudononion subcostatum Fujita and Ito, 23: MPC- 26440 from sample 14-2 (Yonahama F., PL4); 24: MPC-26441 from sample MK02B (Minebari F., PL5).