Planulina costata ( Hantken, 1875 )

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 : 54

Planulina costata ( Hantken, 1875)

Fig. 16.2 a-b

Truncatulina costata Hantken, 1875, p. 63 , pl. 9, fig. 2.

Planulina costata (Hantken) - Hagn, 1956, p. 178, pl. 17, figs. 3a-b, 4a-b.

Stratigraphical distribution in samples: Rupelian- Chattian.

Figures

Fig. 16 All scales represent 100 μm. 1. Planulina compressa (Hantken). Same specimen, a. umbilical view, b. peripherial view, c. spiral view, same scale, sample FB20, Chattian. 2. Planulina costata (Hantken). Same specimen, a. umbilical view, b. spiral view, same scale, sample F12, Rupelian. 3. Asterigerinoides guerichi (Franke). Same specimen, a. umbilical view, b. spiral view, same scale, sample F18, Rupelian. 4. Nonion commune (d’Orbigny). Same specimen, a. lateral view, b. peripherial view, same scale, sample F4, Rupelian. 5. Pullenia salisburyii Stewart & Stewart. Same specimen, a. lateral view, b. peripherial view, same scale, sample F10, Rupelian. 6. Chilostomella cylindroides Reuss. Sample F34, Rupelian/Chattian. 7. Quadrimorphina petrolei (Andreae). Same specimen, a. umbilical view, b. spiral view, same scale, sample F18, Rupelian. 8-9. Alabamina tangentialis (Clodius). 8a-b. same specimen, a. umbilical view, b. spiral view, same scale, sample FB01, Chattian; 9a-b. same specimen, a. umbilical view, b. spiral view, same scale, sample FB21, Chattian. 10. Anomalinoides granosus (Hantken). Same specimen, a.