Favulina hexagona ( Williamson, 1848 )

Székely, Szabolcs-Flavius & Introduction, Sorin Filipescu, 2015, Taxonomic Record Of The Oligocene Benthic Foraminifera From The Vima Formation (Transylvanian Basin, Romania), Acta Palaeontologica Romaniae 11 (1), pp. 25-62 : 44

Favulina hexagona ( Williamson, 1848)

Fig. 10.5

Entosolenia squamosa (Montagu) var. hexagona Williamson, 1848, p. 20 , pl. 2, fig. 23 (fide Ellis & Messina).

Lagena hexagona (Williamson) - Brady, 1884, p. 472, pl. 58, figs. 32-33.

Oolina hexagona (Williamson) - Barker, 1960, p. 120, pl. 58, figs. 32-33.

Favulina hexagona (Williamson) - Cicha et al., 1998, p. 96, pl. 28, fig. 11.

Stratigraphical distribution in samples: Rupelian.

Figures

Fig. 10 All scales represent 100 μm. 1. Vaginulinopsis cumulicostatus (Gümbel). Same specimen, a. apertural view, b. lateral view, same scale, sample F10, Rupelian. 2. Vaginulinopsis mexicana (Nuttall). Same specimen, a. apertural view, b. lateral view, same scale, sample F10, Rupelian. 3. Lagena tenuis (Bornemann). Sample FB17, Chattian. 4. Pseudofissurina kapellensis (Spiegler). Same specimen, a. apertural view, b. lateral view, same scale, sample FB17, Chattian. 5. Favulina hexagona (Williamson). Sample F26, Rupelian. 6. Glandulina ovula d’Orbigny. Sample FB20, Chattian. 7. Bolivina beyrichi carinata Hantken. Same specimen, a. apertural view, b. lateral view, same scale, sample F21, Rupelian. 8. Bolivina beyrichi beyrichi Reuss. Sample F9, Rupelian. 9. Bolivina plicatella Cushman. Sample FB17, Chattian. 10-11. Bolivina crenulata Cushman. 10. sample F33, Rupelian/Chattian; 11a-b. same specimen, a. apertural