Thalmannammina subturbinata ( Grzybowski, 1898 ), 1951

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 : 43

Thalmannammina subturbinata ( Grzybowski, 1898)

Figure 19.25

1898 Haplophragmium subturbinatum ; Grzybowski, p. 280, pl. 10, fig. 23.

1993 Thalmannammina subturbinata (Grzybowski) emend. Pokorny, 1951 ; Kaminki and Geroch, p. 252, pl. 4, fig. 5a-d.

2005 Thalmannammina subturbinata (Grzybowski) emend. Pokorny, 1951 ; Kaminki and Gradstein, p. 419, pl. 101a-b.

Material. One specimen from the sample

PC060604.

Description. Test globular with 10–12 chambers visible in the outer whorl. Streptospiral thalman-

nina-type coil with axis of coil changing abruptly of

90°, followed by a second opposite refolding. Wall finely agglutinated, a little aperture at the base of the last chamber.

Distribution. Latest Cretaceous–Eocene

( Kaminski and Gradstein, 2005).

Figures

FIGURE 19. Scanning electron micrographs of Haplophragmoididae (1-6), Sphaeramminidae (7-10), Lituolidae (11- 14), and Recurvoidea (15-25) from the Caltavuturo Formation cropping out at Portella Colla. 1-2, Haplophragmoides cf. latissimusuturalis Smith, 1971, PC3. 3, Haplophragmoides sp. 3, PC060615. 4, Haplophragmoides sp. 4, PC060601. 5, Haplophragmoides sp. 5, PC060615. 6, Haplophragmoides sp. 6, PC060621. 7-8, Praesphaerammina subgaleata (Vašiček, 1947), PC11 (7) and PC1 (8). 9-10, Ammosphaeroidina pseudopauciloculata (Mjatliuk, 1966), PC060604 (9) and PC060604 (10). 11, Ammobaculites agglutinans (d’Orbigny, 1846), PC060615. 12, Ammobaculites sp. 1, PC060607. 13, Ammobaculites sp. 3, PC15. 14, Ammobaculites sp. 2, PC060625. 15-16, Budashevaella multicamerata (Voloshinova and Budasheva, 1961), PC060604. 17, Cribrostomoides subglobosus (Cushman, 1910), PC060604. 18, Recurvoidella lamella (Grzybowski, 1898), PC060601. 19, Recurvoides anormis Mjatliuk, 1970, PC5. 20, Recurvoides sp. 1, PC060601. 21, Recurvoides sp. 2, PC060623. 22, Recurvoides nucleolus (Grzybowski, 1898), MM3. 23, Recurvoides walteri (Grzybowski, 1898), PC5. 24, Trochammina bifaciata Friedberg, 1901, PC060604. 25, Thalmannammina subturbinata (Grzybowski, 1898), MM14. Scale bar equals 0.5 mm.