Hormosina velascoensis ( Cushman, 1926 )

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 : 37

Hormosina velascoensis ( Cushman, 1926)

Figure 16.4-5

1926 Nodosinella velascoensis ; Cushman, p. 583, pl. 20, fig. 9.

1981 Nodellum velascoense (Cushman) ; Morgiel and Olszewska, p. 7, pl. 1, fig. 1.

2005 Hormosina velascoensis (Cushman) ; Kaminski and Gradstein, p. 243, pl. 44, figs. 1- 8.

Material. 15 specimens from nine samples.

Description. Test free, robust, uniseriate; five or more subcylindric or fuse-like chambers sideways compressed. Wall medium to finely agglutinated,

aperture is a single circular opening at the apex of the last chamber.

Distribution. Campanian–Oligocene ( Kaminski and Gradstein, 2005).

Figures

FIGURE 16. Scanning electron micrographs of Reophacidae (1-3), Hormosinidae (4-13), and Lituotubidae (14-20) from the Caltavuturo Formation cropping out at Portella Colla. 1, Reophax duplex Grzybowski, 1896, PC060624. 2, Reophax pilulifer Brady, 1884, PC13. 3, Reophax sp. 1, PC060615. 4-5, Hormosina velascoensis (Cushman, 1926), PC060617 (4) and PC11 (5). 6, Hormosina trinitatensis Cushman and Renz, 1946, PC11. 7, Hormosina sp. 1, PC060624. 8, Hormosina sp. 2, PC060615. 9-11, Pseudonodosinella elongata Grzybowski, 1898, PC11 (9), PC060601 (10) and PCs0 (11). 12-13, Pseudonodosinella nodulosa Brady, 1879, PC11 (12) and PC060617 (13). 14, Paratrochamminoides acervulatus (Grzybowski, 1896), PC13. 15, Paratrochamminoides deflexiformis (Noth, 1912), PC060615. 16, Lituotuba lituiformis (Brady, 1879), PC060615. 17, Paratrochamminoides sp. 1, PC060601. 18, Paratrochamminoides draco (Grzybowski, 1901), PC11. 19, Paratrochamminoides mitratus (Grzybowski, 1901), PCs0. 20, Conglophragmium deforme (Grzybowski, 1898), PC060623. Scale bar equals 0.5 mm.