Conglophragmium irregulare ( White, 1928 )

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

Conglophragmium irregulare ( White, 1928)

Figure 17.3

1928 Trochammina irregularis ; White, p. 307, pl. 42, fig. 1.

1937 Trochamminoides irregularis (White) ; Glaessner, p. 360, pl. 1, fig. 9a, b.

1990 Paratrochamminoides irregularis (White) ; Kuhnt, p. 320, pl. 5, fig. 10.

2004 Conglophragmium irregularis (White) ; Kaminski and Kuhnt, p. 279.

Material. 21 specimens from 10 samples.

Description. Test free, large, elliptic in outline.

Chambers large, globose or sack-shaped, irregularly coiled. Coiling direction continuously alternat-

ing.

Distribution. From Cretaceous to Oligocene

( Kaminski and Gradstein, 2005).

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.