Baggina totomiensis Makiyama, 1931

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 : 95

Baggina totomiensis Makiyama

Figure 28.18, 28.19

1931 Baggina totomiensis Makiyama , p. 42, text-fig. 4

1951 Baggina totomiensis Makiyama — Asano (part 14), p. 21, text-figs. 154, 155

1964 Baggina totomiensis Makiyama — LeRoy, p. F39, pl. 6, figs. 20—22.

Remarks. This species is characterized by the dentition on the early chambers in the umbilical region. It resembles the Miocene Baggina notoensis Asano (1953) in a dentate umbilicus, but is distinguished by its evolute dorsal chambers.

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

Figures

FIGURE 28. Family Stilostomellidae and Bagginidae. All scale bars = 0.1mm. 1, 2. Myllostomella fijiensis (Cushman), 1: MPC-26382 from sample 7 (Yonahama Formation, PL4); 2: MPC-26383 from sample 15 (Yonahama F., PL3); 3, 4. Strictocostella hyugaensis (Ishizaki), 3: MPC-26513 from sample 3-2-low-silt (Onogoshi F., PL1); 4: MPC-26514 from sample 7 (Yonahama F., PL4). 5. Orthomorphina perversa (Schwager), MPC-26398 from sample 4-2 (Minebari F., PL5). 6, 7. Siphonodosaria aff. consobrina (d'Orbigny), 6: MPC-26495, 7: MPC-26496, both from sample 14-2 (Yonahama F., PL4). 8, 9. Siphonodosaria hayasakai (Ishizaki), 8: MPC-26497 from sample 4 (Minebari F., PL5); 9: MPC- 26498 from sample 6 (Yonahama F., PL2). 10, 11. Siphonodosaria longispina (Egger), 10: MPC-26499 from sample 8 (Yonahama F., PL4); 11: MPC-26500 from sample 8-2 (Yonahama F., PL4). 12, 13. Siphonodosaria ketienziensis (Ishizaki), 12: MPC-26501 from sample 14 (Yonahama F., PL4); 13: MPC-26502 from sample 14-2 (Yonahama F., PL4). 14, 15. Siphonodosaria lepidula (Schwager), 14: MPC-26503 from sample 5 (Minebari F., PL5); 15: MPC-26504 from sample MK01 (Yonahama F., PL2). 16, 17. Strictocostella modesta (Bermudez), 16: MPC-26515 from sample 14 (Yonahama F., PL4); 17: MPC-26516 from sample 16 (Yonahama F., PL3); 16, apertural projection broken. 18, 19. Baggina totomiensis Makiyama, 18: MPC-26138 from sample 3 (Onogoshi F., PL1); 19: MPC-26139 from sample 11 (Onogoshi F.,?PL1). 20, 21. Cancris auriculus (Fichtel and Moll), 20: MPC-26187 from sample 2 (Minebari F., PL5); 21: MPC-26188 from sample 18 (Oura F.,?PL1). 22, 23. Valvulineria glabra Cushman, 22: MPC-26531 from sample MK02B (Minebari F., PL5); 23: MPC-26532 from sample 14-2 (Yonahama F., PL4).