Globotruncanella petaloidea ( Gandolfi1955 )

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 : 71

Globotruncanella petaloidea ( Gandolfi1955)

Figs. 3 : 18-20; Figs. 4 : 22-24, 31-36; Figs. 9 : 7-9

1955 Globotruncana (Rugoglobigerina) petaloidea ssp.

petaloidea Gandolfi , p.52, pl.3, fig.13 a-c 1985 Globotruncanella petaloidea ( Gandolfi 1955) Caron , p.51, pl.21, fig.5-6 Dimensions: D = 0,36- 0,29 mm; d = 0,21- 0,14mm. Remarks: The distinctive features of this species are (after Gandolfi's specially) 1955, p.52: " the pronounce petaloid periphery (out-line). Chambers subpetaloid.... where presents frequent tubercles ". The subglobular aspect spiral and umbilical of chambers make the differences from Globotruncanella citae Bolli 1951 .The presence of the tubercles along the margins of the chambers or finely beaded keel (Figs. XIV:22-24) represents individual features. Occurrence: Țâța Valley, Pietrosița- Fieni area Stratigraphic distribution: Maastrichtian. Specimens: LPB.VI. 12428

Figures

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. 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).

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).