Globigerina falconensis Blow, 1959

Ovechkina, Maria N., Bylinskaya, Marina E. & Uken, Ron, 2010, Planktonic foraminiferal assemblage in surface sediments from the Thukela Shelf, South Africa, African Invertebrates 51 (2), pp. 231-231 : 239-240

Globigerina falconensis Blow, 1959

Figs 6A–C Globigerina falconensis: Blow 1959: 177 , pl. 9, figs 40a–c, 41; Parker 1962: 224, pl. 1, figs 14, 16–19; Brönnimann & Resig 1971: 1295–1296; Saito et al. 1981: 40, 42, pl. 7, figs 2a–d.

Small to medium trochospiral test, with 4 spherical chambers in the final whorl. The last chamber is typically smaller than the previous one and ovoid in shape. Aperture umbilical, interiomarginal, a low arch with a thick lip.

Remarks: The species is characterized by a very large variation, and does not always have a reduced last chamber. It can easily be separated from G. bulloides by the smaller aperture with a lip on the last chamber.

Distribution: Subtropical to temperate waters. Very rare in our material.

Figures

Fig.6. (A–C) Globigerina falconensis Blow, 1959, sample 30; (D–F) Globigerina rubescens Hofker,1956, sample 25; (G–I) Globigerinella calida (Parker, 1962), sample 4.