Cassidulina reniforme, Norvang, 1945

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 : 74

Cassidulina reniforme NØrvang

Figures 23.10, 23.11

1945 Cassidulina crassa d’Orbigny var. reniforme NØrvang, p. 41, text-figs. 6e—6h.

1945 Cassidulina islandica NØrvang , forma minuta NØrvang, p. 43, text-fig. 8.

1952 Cassidulina islandica Norvang var. norvangi Thalmann in Phleger, p. 83, footnote 1.

1983 Cassidulina norvangi Thalmann — Nomura (a), pl. 23, figs. 10—12, pl. 24, figs. 1—3; Nomura (b), pl. 4, figs. 12, 13.

1989 Islandiella norvangi (Thalmann) — Inoue, pl. 23, fig. 10, fig. 14, pl. 33, fig. 10.

1990 Cassidulina norvangi Thalmann — Ujiié, p. 38, pl. 18, figs. 4, 5.

1995 Cassidulina norvangi Thalmann — Ujiié, pp. 60, 61, pl. 4, fig. 10.

1999 Cassidulina reniforme NØrvang — Nomura, p. 43, figs. 18-18, 18-19, 30-3.

2000 Cassidulina norvangi Thalmann — Ohkushi, Thomas, and Kawahata, p. 139, pl. 2, fig. 6.

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

Figures

FIGURE 23. Family Bolivinidae, Bolivinitidae, and Cassidulinidae. All scale bars = 0.1mm. 1, 2. Latibolivina subreticulata (Parr), 1: MPC-26346 from sample 2 (Minebari Formation, PL5); 2: MPC-26347 from sample 5-2 (Minebari F., PL5). 3, 4. Abditodentrix pseudothalmanni (Boltovskoy and Guissani de Kahn), 3: MPC-26105 from sample 7 (Yonahama F., PL4); 4: MPC-26106 from sample 15 (Yonahama F., PL3). 5, 6. Bolivinita quadrilatera (Schwager), 5: MPC- 26166 from sample 5-2 (Minebari F., PL5); 6: MPC-26167 from sample MK02B (Minebari F., PL5). 7, 8. Cassidulina carinata Silvestri, 7: MPC-26189 from sample MK01 (Yonahama F., PL2); 8: MPC-26190 from sample MK02B (Minebari F., PL5). 9. Cassidulina cf. laevigata d'Orbigny, MPC-26191 from sample 2-2 (Minebari F., PL5). 10, 11. Cassidulina reniforme NØrvang, 10: MPC-26192 from sample 1 (Minebari F., PL5); 11: MPC-26193 from sample 11 (Onogoshi F.,?PL1). 12, 13. Evolvocassidulina belfordi Nomura, 12: MPC-26249 from sample 14-2 (Yonahama F., PL4); 13: MPC-26250 from sample MK02B (Minebari F., PL5). 14. Evolvocassidulina bradyi (Norman), MPC-26251 from sample 1 (Minebari F., PL5). 15, 16. Evolvocassidulina brevis (Aoki), 15: MPC-26252 from sample 5 (Minebari F., PL5); 16: MPC-26253 from sample 5-2 (Minebari F., PL5). 17, 18. Globocassidulina bisecta Nomura, 17: MPC- 26284 from sample 1 (Minebari F., PL5); 18: MPC-26285 from sample 11 (Onogoshi F.,?PL1). 19, 20. Globocassidulina crassa (d'Orbigny), 19: MPC-26286 from sample MK01 (Yonahama F., PL2); 20: MPC-26287 from sample MK02B (Minebari F., PL5). 21, 22. Globocassidulina decorata (Sidebottom), 21: MPC-26288 from sample 8-2 (Yonahama F., PL4); 22: MPC-26289 from sample 14 (Yonahama F., PL4).