Reticulophragmium projectum Schröder-Adams and McNeil, 1994

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 : 46

Reticulophragmium projectum Schröder-Adams and McNeil, 1994

Figure 21.13-14

1994 Reticulophragmium projectus ; Schröder-Adams and McNeil, p. 41, pl. 8, figs. 1-4.

Material. 100 specimens from four samples.

Description. Test free, subglobose, planispiral involute coil, with rounded periphery. Sutures straight or weakly sigmoidal starting tangentially from the umbilicus in radial direction.

Distribution. Oligocene–Miocene of Beaufort-Mackenzie basin ( Schröder-Adams and McNeil, 1994).

Remarks. Differs from R. rotundidorsatum by the form and direction of the sutures, and in having a less inflated chambers.

Figures

FIGURE 21. Scanning electron micrographs of Cyclamminidae from the Caltavuturo Formation cropping out at Portella Colla. 1-3, Reticulophragmium acutidorsatum (Hantken, 1868), PC3. 4-7, Reticulophragmium amplectens (Grzybowski, 1898), PC3. 8-10, Reticulophragmium rotundidorsatum (Hantken, 1875), PC060624. 11-12, Cyclammina cancellata Brady, 1879, PC22. 13-14, Reticulophragmium projectum Schröder-Adams and McNeil, 1994, PC060624. 15, Cyclammina placenta (Reuss, 1851), PC11. Scale bar equals 0.5 mm.