Figs. 8: 19-21
1955 Rugotruncana tilevi Brönnimann & Brown, p.547, pl.22, figs.1-3
Dimensions: D = 0,40 - 0,36 mm; d = 0,36 mm; g = 0,14 mm
Remarks: Presence of a double keel and the radial disposition of the costellae particularly on the umbilical side are the features which make the difference from the Rugotruncana subrugosa Gandolfi.
Occurrences: Țâța Valley, Pietrosița- Fieni area Stratigraphic distribution: Upper Maastrichtian Specimens: LP B.IV. 12436