Eggerella compressa ( Andreae, 1884 )

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

Eggerella compressa ( Andreae, 1884)

Figure 20.14

1884 Verneulina compressa ; Andreae, p. 107, pl. 8, figs. 2, 3.

1937 Eggerella compressa (Andreae) ; Cushman, p. 47, pl. 5, fig. 7, 8 (cum syn.).

Material. One specimen from the sample PC13.

Description. Test free, large, initially 4–5 chambers per whorl, whereas the adult stage becomes triseriate. Wall coarsely agglutinated.

Distribution. Oligocene ( Andreae, 1884)

Remarks. The specimens figured by Andreae are smaller (at least 1.3 mm) in respect to the collected specimen measuring 2.5 mm.

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.