Plectina mariae ( Franke, 1928 )

Besen, Richard M., Struck, Ulrich & Seibertz, Ekbert, 2021, Albian to Turonian agglutinated foraminiferal assemblages of the Lower Saxony Cretaceous sub-basins - implications for sequence stratigraphy and paleoenvironmental interpretation, Fossil Record 24 (2), pp. 395-441 : 418

Plectina mariae ( Franke, 1928)

Fig. 7s

1928. Gaudryina ruthenica Reuss f. mariae Franke , p. 146, pl. 13, figs. 15a, b.

1937. Plectina ruthenica Reuss var. mariae (Franke) ; Cushman, p. 106, pl. 11, fig. 15.

1977. Plectina mariae (Franke) ; Carter and Hart, p. 13, pl. 2, fig. 8.

1980. Plectina mariae (Franke) ; Frieg, text-figs. 2.5–6.

Material

A total of 102 specimens from the Baddeckenstedt section, 2 specimens from the Söhlde section, 1 specimen from the Wunstorf Wu2010/1 core, 15 specimens from the Wunstorf Wu2010/3 core, and 8 specimens from the Wunstorf Wu2010/4 core.

Occurrence

Common to very rare in the lower Cenomanian from the crippsi Event onwards to the upper Cenomanian below OAE2.

Figures

Figure 7. Late Albian to Turonian agglutinated foraminifers from the Lower Saxonian Cretaceous; scale bars are 100 µm. (a) Reophax subfusiformis, Wunstorf Wu2010/1, 54.00m. (b) Pseudonodosinella nodulosa, Wunstorf Wu2010/4, 48.20m. (c) Pseudonodosinella parvula, Wunstorf Wu2010/4, 48.20 m. (d) Pseudonodosinella troyeri, Baddeckenstedt section, 39.00 m. (e) Haplophragmoides suborbicularis, Wunstorf Wu2010/3, 70.50 m. (f) Haplophragmoides walteri, Wunstorf Wu2010/4, 48.95 m. (g) Ammobaculites agglutinans, Söhlde section, 31.00 m. (h) Ammobaculites wenonahae, Wunstorf Wu2010/1, 19.05m. (i) Bulbobaculites problematicus, Wunstorf Wu2010/1, 24.75m. (j) Spiroplectammina navarroana, Wunstorf Wu2010/4, 48.20 m. (k) Spiroplectinella cretosa, Baddeckenstedt section, 2.00 m. (l) Bicazammina lagenaria, Söhlde section, 24.00m. (m) Parvigenerina sp. 3, Wunstorf Wu2010/4, 48.95 m. (n) Eobigenerina kuhnti, Söhlde section, 9.50m. (o) Eobigenerina variabilis, Söhlde section, 1.50 m. (p) Rectogerochammina eugubina, Wunstorf Wu2010/4, 48.95m. (q) Gerochammina stanislawi, Wunstorf Wu2010/4, 53.15 m. (r) Plectina cenomana, Wunstorf Wu2010/3, 45.00 m. (s) Plectina mariae, Wunstorf Wu2010/3, 84.00m.