Martinottiella victorensis (Cushman)

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 : 17-18

Martinottiella victorensis (Cushman)

Figures 6.25, 6.26

1937 Listerella victorensis Cushman (a), p. 146, pl. 16, fig. 25.

1950 Schenckiella victorensis (Cushman) — Asano (Part 4), p. 4, text-figs. 24—26.

1964 Schenckiella victorensis (Cushman) — LeRoy, p. F19, pl. 1, fig. 19.

Diagnosis. Mostly of moderate size, but occasionally large for the genus, characterized by longer trochospiral and biserial stages and shorter uniserial stage than Martinottiella communis .

Occurrence. Sporadic in the Minebari and Yonahama formations.

Figures

FIGURE 6. Family Hormosinidae, Ammosphaeroidinidae, Spiroplectamminidae, Duquepsamminidae, Verneuilinidae, and Eggerellidae. All scale bars = 0.1mm, unless otherwise indicated in 2.1, 23.1, 26.1 as 1mm-line. 1, 2. Rhabdammina sp., 1: MPC-26061, 2: MPC-26062, both from sample 7 (Yonahama Formation, PL4), broken specimens. 3. Hormosinella distans (Brady), MPC-26051, from sample 15 (Yonahama F., PL3), depressed specimen. 4. Reophax sp., MPC-26060, from sample 7 (Yonahama F., PL4). 5, 6. Ammosphaeroidina sphaeroidiniformis (Brady); 5: MPC-26033 from sample 6 (Yonahama F., PL2); 6: MPC-26034, from sample 6-2 (Yonahama F., PL2). 7, 8. Spiroplectinella wrightii (Silvestri), 7: MPC-26065 from sample 6-2 (Yonahama F., PL2); 8: MPC-26066 from sample MK02A-2 (Minebari F., PL5). 9, 10. Duquepsammia bulbosa (Cushman), 9: MPC-26041 from sample 8 (Yonahama F., PL4), 10: MPC-26042 from sample 15 (Yonahama F., PL3). 11, 12. Trochammina sp., 11: MPC-26077, laterally depressed specimen, 12: MPC26078, vertically depressed specimen, both from sample 7 (Yonahama F., PL4). 13, 14. Gaudryina arenaria Galloway and Wissler, 13: MPC-26045 from sample 6-2 (Yonahama F., PL2); 14: MPC26046 from sample 17 (Yonahama F., PL2). 15, 16. Gaudryina sp.A., 15: MPC-26047 from sample 3-2-low-silt (Onogoshi F., PL1); 16: MPC-26048 from sample 11 (Onogoshi F.,?PL1). 17, 18. Gaydryinella cf. japonica Asano, 17 MPC-26049, 18 MPC- 26050, both from sample 18 (Oura F.,?PL1). 19, 20. Eggerella bradyi (Cushman), 19: MPC-26043 from sample 14-2 (Yonahama F., PL4); 20: MPC-26044 from sample 15 (Yonahama F., PL3). 21, 22. Karreriella bradyi (Cushman), 21: MPC-26052 from sample 2 (Minebari F., PL5); 22: MPC-26053 from sample MK02A (Minebari F., PL5). 23, 24. Martinottiella communis (d'Orbigny), 23: MPC-26054 from sample 3 (Onogoshi F., PL1); 24: MPC-26055 from sample 3- 2-low-silt (Onogoshi F., PL1). 25, 26. Martinottiella victorensis (Cushman), 25: MPC-26056 from sample 6-2 (Yonahama F., PL2); 26: MPC-26057 from sample 16 (Yonahama F., PL3).