BOLIVINITACEA Cushman, 1927b

Setoyama, Eiichi & Kaminski, Michael A., 2015, Neogene benthic foraminifera from the southern Bering Sea (IODP Expedition 323), Palaeontologia Electronica (International ed. in English) 76 (4), pp. 1-30 : 7

Superfamily BOLIVINITACEA Cushman, 1927b Family BOLIVINITIDAE Cushman, 1927b Genus BOLIVINITA Cushman, 1927b Bolivinita quadrilatera ( Schwager, 1866)

Figure 3.8a, 3.8b

1866 Textularia quadrilatera Schwager : p. 253, pl. 7, fig. 103.

1884 Textularia quadrilatera Schwager ; Brady, p. 358, pl. 42, figs. 8–12.

1977 Bolivinita quadrilatera (Schwager) ; McCulloch, p. 254, pl. 105, fig. 27.

1994 Bolivinita quadrilatera (Schwager) ; Jones, p. 47, pl. 42, figs. 8–12.

1996 Bolivinita quadrilatera (Schwager) ; Revets, p. 6, pl. 1, figs. 1–4.

Description. Test elongated, tapered, biserial with a quadrate cross-section. Chambers increasing in size gradually. Sutures thick, oblique, flush or slightly elevated. Wall finely perforated. Apertural face depressed. Aperture an oval opening asymmetrically positioned near the base of the final chamber.

Superfamily CASSIDULINACEA d’Orbigny, 1839a

Genus GLOBOCASSIDULINA Voloshinova, 1960

Globocassidulina neomargareta Finger and Lipps in Finger et al. (1990)

Figure 3.11a–d

1990 Globocassidulina neomargareta Finger and Lipps : p. 38, pl. 8, figs. 26, 27.

1990 Globocassidulina neomargareta Finger and Lipps ; Finger, p. 112, plate-figs. 1–8.

Description. Test small, lenticular with a rounded periphery, biserially arranged and planispirally enrolled. Chambers inflated, increasing in size gradually. Sutures oblique, depressed. Wall finely perforated, smooth. Aperture a basal oval opening with a toothplate.

Remarks. The known range of this species in California is from the Oligocene to the Miocene ( Finger,

1990).

Figures

FIGURE 3. All scale bars are 100 µm. 1. Pyrgo murrhina, 13H-3, 146–148 cm; a. lateral view; b. apertural view. 2. Pyrgo sp. A, 13H-3, 146–148 cm; a. lateral view; b. apertural view. 3. Triloculina cf. Triloculina trihedra, 9H-5, 146– 148 cm; a. lateral view; b. apertural view. 4. Bolivina seminuda, 3H-CC, lateral view. 5. Bolivina sp. A, 36H-CC; a. lateral view; b. edge view showing the asymmetrically positioned aperture. 6. Brizalina pacifica, 11H-5, 146–148 cm; a. lateral view; b. edge view. 7. Brizalina panayensis, 1H-CC; a. lateral view; b. edge view. 8. Bolivinita quadrilatera, 61X-5, 115–117 cm; a. lateral view; b. edge view showing the asymmetrically positioned aperture. 9. Takayanagia cf. Takayanagia cushmani, 1H-CC; a. ventral view showing the tooth plate; b. dorsal view; c. edge view. 10. Rutherfordoides tenuis, 10H-3, 146–148 cm; a. ventral view; b. dorsal view. 11. Globocassidulina neomargareta, 9H-5, 146– 148 cm; a. ventral view; b. apertural view showing the tooth plate; c. dorsal view; d. edge view. 12. Globocassidulina subglobosa, 13H-3, 146–148 cm; a. ventral view; b. dorsal view; c. edge view. 13. Islandiella helenae, 12H-3, 146– 148 cm; a. ventral view; b. ventral view in immersion; c. dorsal view; d. edge view. 14. Globocassidulina sp. A, 3H- CC; a. ventral side, b. dorsal side, c. edge view.