Rugotruncana ellisi Brönnimann & Brown 1955

Neagu, Theodor, 2016, Micropaleontological Study Of The Gura Beliei Red Marls Formation From The Pietroșița Area (Turonian - Maastrichtian). Part Iii Campanian-Maastrichtian Planktonic Foraminifera, Acta Palaeontologica Romaniae 12 (2), pp. 67-91 : 86

Rugotruncana ellisi Brönnimann & Brown 1955

Figs. 5 : 13-15, 19-24; Figs. 11 :16-21

1955 Rugotruncana ellisi Brönnimann & Brown , p.547, pl.22, figs.7-9

Dimensions: D = 0,39- 0,39 mm; d = 0,29-0,36 mm; g = 0,19 mm

Remarks: The authors characterized very conclusive this species: " Some or all chambers exhibit a very weak double keeled peripheral band. The two keels are very faint and may be missing from a few or last chambers, the costellae which are barely discernible give the surface a roughened appearance ".

Occurrences: Țâța Valley, Pietrosița- Fieni area Stratigraphic distribution: Maastrichtian

Specimens: LPB.IV. 12426

Figures

Fig. 5: 1-3 Rugoglobigerina pennyi Brönnimann 1952, Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12417; 4-6 Rugoglobigerina pustulata Brönnimann 1952, Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12415; 7-9 Rugoglobigerins kelleri (Subbotina 1953), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12451; 10-12, 27-29 Rugoglobigerina macrocephala Brönnimann, Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12413; 13-15, 19-24 Rugotruncana ellissi Brönnimann & Brown 1955, Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV 12426; 16-18 Rugoglobigerina loetterli (Nauss 1947), Maestrichtian, Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12443; 15-27 Globotruncanella sarmientoi (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița LPB.12448 (All specimens x 90).

Fig. 11: 1-15 Abatomphalus sp.cf. A.intermedius, Maastrichtian, Țâța Valley, PietroȘița, LPB. IV. 12434; 16-21 Reugotruncana ellissi Brönnimann & Brown 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV. 12426; 22-27 Gansseria gansseri (Bolli 1951), Maastrichtian, Țâța Valley, PietroȘița, LPB. IV. 12442 (All specimens x 90).