Neolenticulina variabilis (Reuss)

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 : 32

Neolenticulina variabilis (Reuss)

Figures 11.16, 11.17

1850 Cristellaria variabilis Reuss , p. 369, pl. 46, figs. 15, 16.

1866 Cristellaria peregrina Schwager , p. 245, pl. 7, fig. 89.

1903 Cristellaria variabilis Reuss — Millett (part XIV), pp. 256, 257, pl. 5, fig. 1.

1913 Cristellaria variabilis Reuss — Cushman, p. 70, pl. 36, figs. 1—3.

1938 “ Cristellaria ” peregrina Schwager — Asano (a), pl. 29, figs. 6, 7, 11.

1956 Lenticulina peregrina (Schwager) — Asano (a), p. 7, pl. 3, figs. 9, 17, 18.

1964 Lenticulina peregrina (Schwager) — LeRoy, p. F22, pl. 4, figs. 5, 6.

1968 Lenticulina peregrina (Schwager) — Huang, p. 58, pl. 13, fig. 35.

1977 Neolenticulina chathamensis McCulloch , p. 8, pl. 94, fig. 12.

1994 Neolenticulina variabilis (Reuss) — Jones, p. 80, pl. 68, figs. 11—16.

1994 Neolenticulina peregrina (Schwager) — Loeblich and Tappan, p. 69, pl. 124, figs. 1—11.

Remarks. Jones (1994) demonstrated that N. variabilis has precedence over L. peregrina ; we adopt this view.

Occurrence. Abundant in the Oura Formation, rare in the Onogoshi and Minebari formations.

Figures

FIGURE 11. Family Vaginulinidae. All scale bars = 0.1mm, unless otherwise indicated. 1, 2. Lenticulina cultrata (de Montfort), 1: MPC-26352 from sample 2 (Minebari Formation, PL5); 2: MPC-26353 from sample MK02A-2 (Minebari F., PL5). 3, 4. Lenticulina depressa (Asano), 3: MPC-26354 from sample 11 (Onogoshi F.,?PL1); last three chambers show aberrant inflation; 4: MPC-26355 from sample 18 (Oura F.,?PL1) broken specimen. 5, 6. Lenticulina inornata (d'Orbigny), 5: MPC-26356 from sample 3-2-up-sand (Onogoshi F., PL1); 6: MPC-26357 from sample MK02B (Minebari F., PL5). 7. Lenticulina iota (Cushman), MPC-26358 from sample 3-2-up-sand (Onogoshi F., PL1). 8, 9. Lenticulina orbicularis (d'Orbigny), 8: MPC-26359 from sample 6 (Yonahama F., PL2); 9: MPC-26360 from sample MK01 (Yonahama F., PL2). 10, 11. Lenticulina sintikuensis Nakamura, 10: MPC-26361, 11: MPC-26362, both from sample 6-2 (Yonahama F., PL2). 12. Lenticulina thalmanni (Hessland), MPC-26363 from sample 2-2 (Minebari F., PL5). 13, 14. Lenticulina vortex (Fichtel and Moll), 13: MPC-26364 from sample 2-2 (Minebari F., PL5); 14: MPC-26365 from sample MK02A-2 (Minebari F., PL5); 13, broken specimen. 15. Marginulinopsis striatulus (Cushman), MPC-26369 from sample 4 (Minebari F., PL5). 16, 17. Neolenticulina variabilis (Reuss), 16: MPC-26389 from sample 1-2 (Minebari F., PL5); 17: MPC-26390 from sample 18 (Oura F.,?PL1).