Fig. 4. Middle Miocene planktonic foraminifer Globorotalia zealandica plexus from ODP Site 747, Kerguelen Plateau. A–D in Planktonic foraminiferal response to Middle Miocene cooling in the Southern Ocean (ODP Site 747, Kerguelen Plateau)

Fig. 4. Middle Miocene planktonic foraminifer Globorotalia zealandica plexus from ODP Site 747, Kerguelen Plateau. A–D. Globorotalia amuria. Encrusted: 8H−1, 38–40 cm (A); 8H−6, 28–30 cm (C); 9H−3, 98–100 cm (D). Non−encrusted: 8H−3, 100–102 cm (B). E–H. Globorotalia cf. conica. Non−pustulose: 8H−2, 128–130 cm (E); 8H−6, 146.5–148.5 cm (F). Pustulose: 9H−1, 4–6 cm (G); 9H−4, 148–150 cm (H). A1–H1 axial view, A2–H2 umbilical view. All SEM images. Scale bars 100 µm. The stratigraphic position of pictured specimens is indicated on Fig. 3.