Ammodiscus peruvianus Berry, 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 : 406

Ammodiscus peruvianus Berry, 1928

Fig. 6n

1928. Ammodiscus peruvianus Berry , p. 392, fig. 27.

2005. Ammodiscus peruvianus Berry ; Kaminski and Gradstein, p. 157, pl. 18, figs. 1a–6.

2011. Ammodiscus peruvianus Berry ; Kaminski et al., p. 85, pl. 1, figs. 11–12.

Material

A total of 18 specimens from the Baddeckenstedt section, 32 specimens from the Söhlde section, 46 specimens from the Wunstorf Wu2010/1 core, 42 specimens from the Wunstorf Wu2010/3 core, and 94 specimens from the Wunstorf Wu2010/4 core.

Occurrence

Common to rare in the Turonian, otherwise very rare.

Figures

Figure 6. Late Albian to Turonian agglutinated foraminifera from the Lower Saxonian Cretaceous; scale bars are 100 µm. (a) Saccammina grzybowski, Wunstorf Wu2010/1, 54.00 m. (b) Psammosphaera fusca, Wunstorf Wu2010/1, 59.05 m. (c) Tipeammina elliptica, Söhlde section, 31.00 m. (d–e) Tipeammina sp. 1, Wunstorf Wu2010/4, 43.30m. (f) Hyperammina gaultina, Wunstorf Wu 2010/4, 48.20 m. (g–h) Ammolagena clavata, two specimens sticking together, Wunstorf Wu2010/3, 25.50 m. (i) Ammolagena contorta, possibly previously attached on an inoceramid prism, Wunstorf Wu2010/4, 38.20 m. (j) Caudammina ovula, Söhlde section, 31.00m. (k) Subreophax scalaris, Wunstorf Wu2010/1, 69.10 m. (l) Ammodiscus cretaceus, Wunstorf Wu 2010/4, 48.20 m. (m) Ammodiscus glabratus, Wunstorf Wu2010/1, 54.65m. (n) Ammodiscus peruvianus, Wunstorf Wu2010/1, 54.00 m. (o) Ammodiscus tenuissimus, Wunstorf Wu2010/4, 43.30 m. (p) Glomospira diffundens, Wunstorf Wu2010/1, 49.05 m. (q) Glomospira gordialis, Wunstorf Wu 2010/3, 66.05 m. (r) Repmanina charoides, Wunstorf Wu2010/4, 38.20m. (s) Lituotuba lituiformis, Wunstorf Wu 2010/4, 48.95m. (t) Rzehakina minima, Wunstorf Wu2010/1, 54.80 m.