Globorotalia viola Blow, 1969

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 : 47

Globorotalia viola Blow

Figures 16.11, 16.12

1964 Globorotalia punctulata (d’Orbigny) — LeRoy, p. F43, pl. 9, figs. 11—13 (non Globigerina punctulata d’Orbigny, 1826 ).

1969 Globorotalia (Globorotalia) crassula viola Blow , p. 397, pl. 5, figs. 4—6.

1974 Globorotalia (Globorotalia) crassula viola Blow — Ujiié and Ōki, pl. 3, fig. 4.

1978 Globorotalia (Globorotalia) crassula viola Blow — Keller (a), pl. 4, figs. 3, 4.

1981 Globorotalia viola Blow — Saito, Thompson, and Breger, pp. 134, 136, pl. 45, figs. 3, 4.

1985 Globorotalia (Globorotalia) crassula viola Blow — Ibaraki, p. 129, pl. 9, figs. 5, 6.

1985 Globorotalia (Globorotalia) viola Blow — Ujiié, pl. 12, figs. 5, 7.

1985 Globorotalia crassaformis viola Blow — Bolli and Saunders, p. 234, fig. 36.1.

2004 Truncorotalia viola (Blow) — Hanagata, pl. 3, fig. 5.

Remarks. Globigerina punctulata of d’Orbigny (1826, nomen nudum), identified by LeRoy (1964), is now assigned to Globorotalia puncticulata (Deshayes) (see Cifelli, 1992); it differs from G. viola .

Occurrence. Common in the upper part of the Yonahama Formation up to the Minebari Formation.

Figures

FIGURE 16. Family Globorotaliidae. All scale bars = 0.1mm, unless otherwise indicated. 1, 2. Globorotalia margaritae Bolli and Bermúdez, 1: MPC-25976 from sample 3 (Onogoshi Formation, PL1); 2: MPC-25977 from sample 10 (Onogoshi F., PL2). 3, 4. Globorotalia oceanica Cushman and Bermúdez, 3: MPC-25978, 4: MPC-25979, both from sample MK02A (Minebari F., PL5). 5, 6. Globorotalia scitula (Brady), 5: MPC-25980 from sample 8 (Yonahama F., PL4); 6: MPC-25981 from sample MK01 (Yonahama F., PL2). 7, 8. Globorotalia tumida (Brady), 7: MPC-25982 from sample MK01 (Yonahama F., PL2); 8: MPC-25983 from sample MK02A (Minebari F., PL5). 9, 10. Globorotalia tumida flexuosa (Koch), 9: MPC-25984 from sample 15 (Yonahama F., PL3); 10: MPC-25985 from sample 16 (Yonahama F., PL3). 11, 12. Globorotalia viola Blow, 11: MPC-25987 from sample 1 (Minebari F., PL5); 12: MPC-25986 from sample MK02A (Minebari F., PL5).