Abatomphalus mayaroensis (BOLLI) 1951

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 : 74

Abatomphalus mayaroensis (BOLLI) 1951

Figs. 12 : 10-16

1951 Globotruncana mayaroensis Bolli , p.198, pl.35, figs.10-12

1955 Rugotruncana mayaroensis (Bolli) Brönnimann & Brown , p.553, pl.22, figs.10-12

1957 Abatomphalus mayaroensis (Bolli) Bolli , p.53, pl.1, fig.1

Dimensions: D = 0,62- 0,53 mm; d = 0,60- 0,43 mm; g =

0,21- 0,14 mm

Remarks: By its particularly features of the test, this species (among the last planktonic species before the biggest biologic crisis between the Mesozoic and Neozoic times,

represented in Oceanic Seas life in parallel of the Land.

After the biozone with A. mayaroensis start the new life of the Neozoic planktonic foraminifera with the smallest

" Glogiberina ".

Occurrences: Țâța Valley, Pietrosița- Fieni area

Stratigraphic distribution: Upper Maastrichtian

Specimens: LPB.IV. 12433

Figures

Fig. 12: 1-3 Gansserina gansseri (Bolli 1951), Maastrichtian, Țâța Valley, PietroȘița, LPB. IV. 12442; 4-6 Gansserina wiedenmayeri (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB. IV. 12431; 7-9 Rugotruncana subglaessneri (Gandolfi 1955), Maastrichtian, Țâța Valley, PietroȘița, LPB. IV. 12421; 10-16 Abatomphalus mayaroensis (Bolli 1951), Maastrichtian, Țâța Valley, PietroȘița, LPB. IV. 12433; 17-19 Globotruncanella havanensis (VOORWJIK 1937) emend. Brönnimann & Brown 1955, Maastrichtian, Țâța Valley, PietroȘița, L.P.B. VI. 12429 (All specimens x 90).