Globigerina, d'Orbigny, 1826

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 : 240-241

Key to the species of Globigerina from Thukela Shelf

1 Test with 5 subglobular, slightly flattened radially, chambers in final whorl........... ............................................................................................................ quinqueloba

– Test with 4 globular or spherical chambers in final whorl.....................................2

2 Aperture a low arch with thick lip ........................................................ falconensis

– Aperture a high open arch without lip or with an imperforate thin rim-like lip ....3

3 Aperture without lip, test wall smoothly perforated ................................ bulloides

– Aperture with an imperforate thin rim-like lip, test wall coarsely perforated ......... ................................................................................................................. rubescens