Rugoglobigerina subbotinae Maslakova 1978

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 : 82-86

Rugoglobigerina subbotinae Maslakova 1978

Figs. 1 : 1-3, 7-15; Figs. 2 : 4-9; Figs. 4 : 1-9

1953 Rotundina ordinaria Subbotina , p.116, pl.3, fig.6 1978 Rugoglobigerina subbontinae Maslakova , p.110, pl.26, fig.2

Dimensions: D = 0,36- 0,29 mm; d = 0,31- 0,24 mm; g = 0,17- 0,15 mm

Remarks: By the globular chambers well compressed with a low trochospire, the shell come out planspiral; by this aspect the species is well delimited as Maslakova show in the pl. 26, fig.2.

Occurrences: Țâța Valley, Pietrosița- Fieni area Stratigraphic distribution: Upper Maastrichtian Specimens: LPB.IV. 12446, 12419, 12411

Figures

Fig. 1: 1-3 Rugoglobigerina subbotinae Maslakova 1978, Maastrichtian, Țâța Valley, Pietrosița, LPB.IV. 12446; 4 Rugoglobigerina macrocephalla Brönnimann 1952, Maastrichtian, Tata Valley-Pietrositza, LPB.IV. 12413; 5-6 Rugoglobigerina rotundata Brönnimann, 1952, Maastrichtian, Țâța Valley, Pietrosița, LPB.IV.12416; 7-15 Rugoglobigerina subbotinae Maslakova 1978, Maastrichtian, Țâța Valley, Pietrosița, LPB.IV.12419; 16-27 Rugotruncana subrugosa (Gadolfi 1955), Maastrichtian, Țâța Valley, Pietrosița, LPB.IV.12420; 28-33 Globotruncanella subpetaloidea (Gandolfi 1955), Maastrichtian, Țâța Valley, LPB.IV. 12442; 34-36 Rugotruncana subcircumnodifer (Gandolfi 1955), Maastrichtian, Țâța Valley, LPB.IV. 12439 (All specimens x 90).

Fig. 2: 1-3 Rugoglobigerina pennyi Brönnimann 1952, Maastrichtian, Țâța Valley, Pietrosița, LPB.IV. 12417; 4-9 Rugoglobigerina subbotinae Maslakova 1978, Maastrichtian, Țâța Valley, LPB.IV. 12411; 10-12 Rugoglobigerina kingi Trujillo 1960 Maastrichtian, Țâța Valley, L.P.B.IV. 12450; 13- 15 Rugoglobigerina ordinaria (Subbotina 1953), Maastrictian, Țâța Valley, LPB.IV.12446; 16-21 Rugotruncana subglaessneri (Gandolfi 1955), Maatrichtian, Țâța Valley, PietroȘița, LPB.IV.12421, 22- 25 Rugotruncana subornata (Gandolfi 1955), Maatrichtian, Țâța Valley, LPB.IV.12440; 26-28 Rugotruncana subrugosa (Gandolfi 1955), Țâța Valley, LPB.IV. 12436; 29-31 Rugotruncana subhexacamerata (Gandolfi 1955), Maastrichtian, Țâța Valley, LPB.IV.12426; 32-34 Rugotruncana subcircumnodifer (Gandolfi 1955), Maastrichtian, Țâța Valley, LPB.IV.12431 (All specimens x 90).

Fig. 4: 1-9 Rugoglobigerina subbotinae Maslakova 1978, Maastrichtian, Țâța Valley, PietroȘița, LPB.IV. 12446; 10-15 Globotruncanella havanensis (Voorwjik 1937), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV. 12429; 16-21 Globotruncanella pshadae (Keller 1946), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12427; 22-24, 31-36 Globotruncanella petaloidea (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12428; 25-30 Archaeoglobigerina blowi Pessagno 1967, Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12449 (All specimens x 90).