Glomospira serpens ( Grzybowski, 1898 )

Benedetti, A, 2017, Eocene / Oligocene deep-water agglutinated foraminifers (DWAF) assemblages from the Madonie Mountains (Sicily, Southern Italy), Palaeontologia Electronica 20 (1), pp. 1-66 : 28

Glomospira serpens ( Grzybowski, 1898)

Figure 13.25 -26

1898 Ammodiscus serpens ; Grzybowski, p. 285, pl. 10, figs. 31-33.

1977 Glomospirella serpens (Grzybowski) ; Samuel, p. 30, pl. 4, figs. 2, 4.

1982 Glomospira serpens (Grzybowski) ; Miller, Gradstein, and Berggren, p. 20, pl. 1, fig. 13.

2005 Glomospira serpens (Grzybowski) ; Kender, Kaminski, and Cieszkowski, p. 261, fig. 10R.

Material. 21 specimens from six samples.

Description. Test flattened, ovate in outline, a single undivided chamber milioline-like coiled. Wall smooth, finely agglutinated; aperture is a simple opening at the end of the tube.

Distribution. Cosmopolitan species known from the Upper Cretaceous to the Eocene of Carpathians and Alps.

Figures

FIGURE 13. Scanning electron micrographs of Psammosphaeridae (1-4) and Ammodiscidae (5-27) from the Caltavuturo Formation cropping out at Portella Colla. 1, Psammosphaera cf. laevigata White, 1928, PCs0. 2, Psammosphaera sp. 1, PC13. 3, Psammosphaera sp. 2, PC060615. 4, Psammosphaera sp. 3, PC060625. 5, Ammodiscus cretaceus (Reuss, 1845), PC22. 6, Hyperammina sp., PC060625. 7-8, Ammodiscus incertus (d’Orbigny, 1839), PC060603 (7) and PC13 (8). 9-11, Ammodiscus tenuisimus (Gümbel, 1862), PC22 (9), PC060615 (10) and PC060615 (11). 12-13, Ammodiscus latus Grzybowski, 1898, PC11 (12) and PC11 (13). 14, Ammodiscus peruvianus Berry, 1928, PC060617. 15-16, Ammodiscus cf. latus Grzybowski, 1898, PC11. 17, Ammodiscus sp. 1, PC11. 18, Ammodiscus sp. 2, PC15. 19, Ammodiscus sp. 3, PC060603. 20, Annectina biedai Gradstein and Kaminski, 1997, PC060618. 21, Annectina cf. grzybowski (Jurkiewicz, 1960), PC060617. 22, Glomospira sp. 2, PC15. 23, Glomospira sp. 1, PC11. 24, Glomospira sp. 3, PC13. 25-26. Glomospira serpens (Grzybowski, 1898), PC060617 (25) and PC060618 (26). 27, Glomospira irregularis (Grzybowski, 1898), PC060618. Scale bar equals 0.5 mm.