Tetrataxiella subtilissima Cetean and Kaminski, 2011

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 : 48

Tetrataxiella subtilissima Cetean and Kaminski, 2011

Figure 20.20

2011 Tetraxiella subtilissima ; Cetean and Kaminski, p. 258, pl. 1, figs 16, 17; pl. 2, figs 1-4, 21, 22.

Material. One specimen from the sample PCs0.

Description. Test elongated, conical, trochospiral. The chambers increase rapidly in size and tend to be subcircular and flattened. Aperture indistinct due to the collapsed wall.

Distribution. Originally described for the Chattian of Angola ( Cetean and Kaminski, 2011).

Figures

FIGURE 20. Scanning electron micrographs of Trochamminoidea (1-11, 13), Ataxophragmiidae (12, 17, 20-21), and Textulariina (14-16, 18-19, 22-23) from the Caltavuturo Formation cropping out at Portella Colla. 1, Trochammina sp. 1, PC060601. 2, Trochammina sp. 2, PC060601. 3, Trochammina sp. 3, PC060601. 4, Trochammina sp. 4, PC060604. 5, Trochammina sp. 5, PC060605. 6-10, Karrerulina conversa (Grzybowski, 1901), PC060615 (6), PC018 (7), PC11 (8), PC060615 (9) and PCs0 (10). 11, Karrerulina horrida (Mjatliuk, 1970), PC060617. 12, Remesella varians (Glaessner, 1937), PC060601. 13, Gaudryina sp., PC1. 14, Eggerella compressa (Andreae, 1884), PC13. 15, Eggerella sp. 1, PC3. 16, Eggerella sp. 2, PC3. 17, Arenobulimina sp., PC060602. 18, Siphotextularia sp. 1, PC060621. 19, Siphotextularia sp. 2, PC060621. 20, Tetraxiella subtilissima PCs0. 21, Gravellina sp., PC060618. 22, Valvulina flexilis Cushman and Renz, 1941, PC060604. 23, Valvulina sp., PC060621. Scale bars equal 0.5 mm.