Trochammina sp. 1

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

Trochammina sp. 1

Figure 20.1

Material. Five specimens from three samples.

Description. Test free, low-trochospiral coil with 4 chambers in the dorsal side and 3 in the ventral one. Chambers subcircular and flattened; sutures depressed. Aperture interiomarginal, wall coarsely agglutinated.

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.