Glandulina ovula d'Orbigny, 1846

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 : 41

Glandulina ovula d'Orbigny

Figures 14.20, 14.21

1846 Glandulina ovula d’Orbigny , p. 29, pl. 1, figs. 6, 7.

1964 Rectoglandulina laevigata (d’Orbigny) — LeRoy, p. F23, pl. 14, figs. 29, 30 (non Glandulina laevigata d’Orbigny, 1826 ).

1977 Euglandulina symmetrica McCulloch , p. 14, pl. 96, fig. 11.

1985 Glandulina ovula d’Orbigny — Papp and Schmid, pp. 21, 22, pl. 2, figs. 1—9.

1994 Glandulina ovula d’Orbigny — Jones, p. 72, pl. 61, figs. 17—22, pl. 63, fig. 6.

1994 Glandulina symmetrica (McCulloch) — Loeblich and Tappan, p. 97, pl. 168, figs. 6—8.

Remarks. The microspheric form occasionally shows a small apiculate projection, whereas the megalospheric form shows a rounded proloculus. It is distinguished from G. laevigata in having a more inflated, fusiform test.

Occurrence. Rare in the Onogoshi, Yonahama, and Minebari formations.

Figures

FIGURE 14. Family Ellipsolagenidae, Glandulinidae, and Epistominidae. All scale bars = 0.1mm. 1. Favulina scalariformis (Williamson), MPC-26258 from sample 4 (Minebari Formation, PL5). 2, 3. Fissurina angulata (Uchio), 2: MPC- 26261, 3: MPC-26262, both from sample MK01 (Yonahama F., PL2). 4, 5. Fissurina bradii Silvestri, 4: MPC-26263 from sample 6 (Yonahama F., PL2); 5: MPC-26264 from sample 14-2 (Yonahama F., PL4). 6, 7. Fissurina caribaea (Cushman), 6: MPC-26265 from sample 15 (Yonahama F., PL3); 7: MPC-26266 from sample MK01 (Yonahama F., PL2). 8, 9. Fissurina circularis Todd, 8: MPC-26267 from sample 3-2-low-silt (Onogoshi F., PL1); 9: MPC-26268 from sample MK02B (Minebari F., PL5). 10, 11. Fissurina marginata (Montagu), 10: MPC-26269 from sample 3-2-low-silt (Onogoshi F., PL1); 11: MPC-26270 from sample 16 (Yonahama F., PL3). 12. Fissurina quadrata (Williamson), MPC- 26271 from sample 1 (Minebari F., PL5). 13. Parafissurina basispinata McCulloch, MPC-26404 from sample 7 (Yonahama F., PL4). 14, 15. Parafissurina lata (Wiesner), 14: MPC-26405 from sample 2 (Minebari F., PL5); 15: MPC- 26406 from sample MK01 (Yonahama F., PL2). 16, 17. Pseudofissurina metaconica (McCulloch), 16: MPC-26432 from sample 8-2 (Yonahama F., PL4); 17: MPC-26433 from sample 17 (Yonahama F., PL2). 18, 19. Montcharmontzeiana leminiscata (Loeblich and Tappan), 18: MPC-26377, 19: MPC-26378, both from sample 7 (Yonahama F., PL4). 20, 21. Glandulina ovula d'Orbigny, 20: MPC-26279 from sample 7 (Yonahama F., PL4); 21: MPC-26280 from sample 10 (Onogoshi F., PL2). 22, 23. Hoeglundina elegans (d'Orbigny), 22: MPC-26322 from sample 4 (Minebari F., PL5); 23: MPC-26323 from sample 13 (Minebari F., PL5).