Globigerinoides pyramidalis (Van den Broeck)

Hanagata, Satoshi & Nobuhara, Takami, 2013, Illustrated guide to Pliocene foraminifera from Miyakojima, Ryukyu Island Arc, with comments on biostratigraphy, Palaeontologia Electronica (Cambridge, England) 10 (14), pp. 101080-101080 : 60

Globigerinoides pyramidalis (Van den Broeck)

Figures 20.5, 20.6

1876 Globigerina bulloides d’Orbigny , var. rubra d’Orbigny subvar. pyramidalis Van den Broeck , p. 127, pl. 3, figs. 9, 10.

1941 Globigerinoides rubra (D’Orbigny) — LeRoy (Part 3), p. 118, pl. 3, figs. 4—6.

1962 Globigerinoides ruber (d’Orbigny) — Parker, pp. 230, 232, pl. 3, figs. 12—14, pl. 4, figs. 1—10; Belford, pl. 5, figs. 4—6 (only).

1964 Globigerinoides ruber (d’Orbigny) — LeRoy, p. F42, pl. 14, fig. 14.

1967 Globigerinoides ruber (d’Orbigny) — Parker, p. 156, pl. 22, figs. 1—4.

1981 Globigerinoides pyramidalis (van den Broeck) — Saito, Thompson, and Breger, p. 62, pl. 16, fig. 1.

1985 Globigerinoides pyramidalis (van den Broeck) — Ujiié, p. 110, pl. 6, figs. 2, 3.

1994 Globigerinoides pyramidalis (van den Broeck) — Jones, p. 89, pl. 79, figs. 13—15; Loeblich and Tappan, p. 107, pl. 204, figs. 4—8, pl. 206, figs. 7—9.

2004 Globigerinoides pyramidalis (van den Broeck) — Hanagata, pl. 5, fig. 6.

Remarks. This species has a much higher trochospiral test than G. ruber which many authors have regarded as a synonym.

Occurrence. Rare in the Onogoshi and Yonahama formations, common in the Minebari Formation.