Paratrochamminoides cf. olszewskii ( 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 : 32

Paratrochamminoides cf. olszewskii ( Grzybowski, 1898)

Figure 17.7

cf. 1898 Trochammina olszewskii ; Grzybowski, p. 298, pl. 11, fig. 6.

Material. Three specimens from three samples.

Remarks. Differs from P. olszewskii in the lack of the planispiral final stage.

Figures

FIGURE 17. Scanning electron micrographs of Lituotubidae (1-3, 7, 9, 11-12) and Trochamminoidae (4-6, 8, 10) from the Caltavuturo Formation cropping out at Portella Colla. 1-2, Paratrochamminoides heteromorphus (Grzybowski, 1898), MM12 (1) and MM14 (2). 3, Conglophragmium irregulare (White, 1928), PCs0. 4, Trochamminoides coronatus (Brady, 1879), MM14. 5, Trochamminoides grzybowskii Kaminski and Geroch, 1992, MM1. 6, Trochamminoides subcoronatus (Grzybowski, 1896), MM1. 7, Paratrochamminoides cf. olszewskii (Grzybowski, 1898), PC060615. 8, Trochamminoides dubius (Grzybowski, 1901), PC060611. 9, Paratrochamminoides olszewskii (Grzybowski, 1898), PC11. 10, Trochamminoides dubius (Grzybowski, 1901), PC060611. 11, Paratrochamminoides aff. olszewskii (Grzybowski, 1898), PC060615. 12, Paratrochamminoides aff. gorayskii (Grzybowski, 1898), PC060615. Scale bars equal 0.5 mm.