Trochamminoides sp. 4

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 : 35

Trochamminoides sp. 4

Figure 18.10

Material. Two specimens from two samples. Distribution. Test free, very large, quadrangular in outline, low trocospirally coiled. Chambers subrectangular and very large increasing rapidly in size. In the dorsal side a low spire is visible, whereas three large chambers occur in the last whorl.

Figures

FIGURE 18. Scanning electron micrographs of Trochamminoidae (1-10) and Haplophragmoididae (11-27) from the Caltavuturo Formation cropping out at Portella Colla. 1, Trochamminoides septatus (Grzybowski, 1898), PC060604. 2, Trochamminoides proteus (Karrer, 1866), PC060621. 3, Trochamminoides cf. proteus (Karrer, 1866), PC060624. 4, Trochamminoides velascoensis Cushman, 1926, PC11. 5, Trochamminoides intermedius (Grzybowski, 1896), PC060621. 6, Trochamminoides variolarius (Grzybowski, 1898), MM14. 7, Trochamminoides sp. 1, PC060603. 8, Trochamminoides sp. 2, PC060604. 9, Trochamminoides sp. 3, PC060618. 10, Trochamminoides sp. 4, PC18. 11-13, Haplophragmoides carinatus Cushman and Renz, 1941, PC060621 (11), PC060621 (12) and PC060624 (13). 14-16, Haplophragmoides walteri (Grzybowski, 1898), PC18 (14), PC11 (15), PC5 (16). 17, Haplophragmoides eggeri Cushman, 1926, PC060611. 18, Haplophragmoides excavatus Cushman and Waters, 1927, PC060601. 19, Haplophragmoides cf. kirki Wickenden, 1932, PC060602. 20, Haplophragmoides porrectus Maslakova, 1955, PCs0. 21, Haplophragmoides cf. walteri (Grzybowski, 1898), PC060621. 22, Haplophragmoides horridus (Grzybowski, 1901), PC060601. 23, Haplophragmoides cf. horridus (Grzybowski, 1901), PC060604. 24, Haplophragmoides cf. porrectus Maslakova, 1955, PC060615. 25-26, Haplophragmoides sp. 1, PC060602 (25) and PC060602 (26). 27, Haplophragmoides sp. 2, PC060603. Scale bar equals 0.5 mm.