Rugotruncana subloetterli ( 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 subloetterli ( Gandolfi 1955)

Figs. 6 : 16-21; Figs. 9 : 22-24; Figs. 16 : 21-26

1955 Globotruncana (Rugoglobigerina) loetterli subloetterli Gandolfi , p. 36, pl.1, fig.14

Dimensions: D = 0,36-0,38 mm; d = 0,40- 0,36 mm Remarks: By its low trochospiral test, the presence of two peripheral keels and the moderate inflated chambers, smooth or with a weak ornamentation (small tubercles of fine costellaes) this species is well delimited.

Occurrences: Țâța Valley, Pietrosița- Fieni area Stratigraphic distribution: Upper Maastrichtian Specimens: LPB.IV. 12423

Figures

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).

Fig. 9: 1-6 Globotruncanella havanensis (Voorwjik 1937) emend. Brönnimann & Brown 1955, Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12429; 7-9 Globotruncanella petaloidea (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12428; 10-12 Globotruncanella pshadae (Keller 1946), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12427; 13-21 Rugotruncana subpenny (Gandolfi, 1955), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12426; 22-24 Rugotruncana subloetterli (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12423; 25-27 Rugotruncana subcircumnodifer (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, L.P.B.IV.12439 (All specimens x 90).

Fig. 16: 1-17 Abatomphalus pessagnoi (Longoria 1973), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12434; 18-20 Rugotruncana subbeldigi (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12452; 21-26 Rugotruncana subloetterli (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB.IV.12423 (All specimens x 90).