Evolvocassidulina brevis (Aoki)

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

Evolvocassidulina brevis (Aoki)

Figures 23.15, 23.16

1968 “ Cassidulina” brevis Aoki , p. 261, pl. 27, fig. 4.

1983 Evolvocassidulina brevis (Aoki) — Nomura (a), pl. 20, fig. 11, pl. 21, figs. 1—5; Nomura (b), pp. 49, 50, pl. 4—7.

1988 Cassidulinoides bradyi (Norman) — Marle, p. 141, pl. 5, fig. 20 (non Cassidulina bradyi Norman in Wright, 1880).

1990 Evolvocassidulina brevis (Aoki) — Akimoto, pp. 197, 198, pl. 17, fig. 5.

1994 Evolvocassidulina brevis (Aoki) — Xu and Ujiié, p. 518, figs. 9-1, 9-2; Loeblich and Tappan, p. 114, pl. 221, figs. 7—11.

1995 Evolvocassidulina brevis (Aoki) — Ujiié, p. 61, pl. 5, fig. 3.

2000 Evolvocassidulina brevis (Aoki) —— Ohkushi, Thomas, and Kawahata, p. 144, pl. 2, fig. 7.

Occurrence. Common in the Minebari Formation.

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).