Semivulvulina sagittula ( Defrance, 1824 )

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 : 36

Semivulvulina sagittula ( Defrance, 1824)

Fig. 5.5

Textularia sagittula Defrance, 1824, p. 117 , pl. 13, fig. 5 (fide Ellis & Messina).

Textulaire sagittule Defrance - Blainville, 1825, p. 370, pl. 5, fig. 5.

Textularia sagitata Defrance - Jones et al. 1866, pl. 3, figs. 7-9.

Textilaria sagittula Defrance - Jones & Parker, 1871, pp. 511, 564.

Spiroplectammina sagittula (Defrance) - Hofker, 1960, p. 237, pl. A, fig. 17.

Semivulvulina sagittula (Defrance) - Popescu, 1975, p. 39, pl. 4, fig. 5.

Spiroplectinella sagittula (Defrance) - Schiebel, p. 26, pl. 6, fig. 14.

Stratigraphical distribution in samples: Rupelian.

Figures

Fig. 5 All scales represent 100 μm. 1. Spirorutilus carinatus (d’Orbigny). Same specimen, a. apertural view, b. lateral view, same scale, sample F4, Rupelian. 2. Semivulvulina pectinata (Reuss). Same specimen, a. apertural view, b. lateral view, same scale, sample F15, Rupelian. 3,6. Vulvulina spinosa Cushman. 3a-b. same specimen, a. apertural view, b. lateral view, same scale, sample F2, Rupelian; 6. sample F7, Rupelian. 4. Vulvulina haeringensis (Gümbel). Sample F7, Rupelian. 5. Semivulvulina sagittula (Defrance). Sample F3, Rupelian. 7-8. Karrerulina conversa (Grzybowski). 7. sample F7, Rupelian; 8. sample F25, Rupelian. 9. Popovia plana (Bykova). Same specimen, a. lateral view, b. peripherial view, c. lateral view, same scale, sample FB20, Chattian.