Rugotruncana subrugosa ( Gandolfi 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 subrugosa ( Gandolfi 1955)

Figs. 1 : 16-27; Figs. 2 : 26-28; Figs. 3 : 28-30; Figs. 6 : 7-9

1955 Globotruncana (Rugoglobigerina) rugosa subrugosa Gandolfi , figs.5a-c

Dimensions: D = 0,32-0,40 mm; d = 0,24-0,36 mm; g = 0,17-0,19 mm

Remarks: By the presence of two peripheral keels this species differs from Rugoglobigrerina rugosa , even if the chambers on the umbilical side present ordinary a Rugoglobigerina rugosa radial costellae.

Occurrences: Țâța Valley, Pietrosița- Fieni area Stratigraphic distribution: Upper Maastrichtian Specimens: LPB.IV.12420

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. 3: 1-9 Globotruncanella coarctata (Bolli 1957), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV. 12427; 10-17 Globotruncanella pshadae (Keller 1946), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12427; 18-20 Globotruncanella petaloidea (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12428; 21-24 Globotruncanella havanensis (Voorwjik 1937), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12329; 25-27 Globotruncanella saratogensis (Applin 1920), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV. 12441; 28-30 Rugotruncana subrugosa (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12420; 31 Schsckoina multispinata (Cush.Wick 1940), Maastrichtian, Țâța Valley, PietroȘița-Fieni (All specimens x 90).

Fig. 6: 1-3 Rugoglobigerina ordinaria (Subbotina 1953), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12446; 4-6, 13-15 Rugotruncana subpennyi (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12426; 7-9 Rugotruncana subrugosa (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12420; 10-12 Rugoglobigerina beldingi Gandolfi 1955 Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12419; 16-21 Rugotruncana subloetterli (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12423; 22- 24 Rugoglobigerina kelleri (Subbotina 1953), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12451 (All specimens x 90).