Plate P5. Oligocene Plagiacanthidae from the Kerguelen Plateau, Site 1138. 1. Lithomelissa dupliphysa Caulet; Sample 183-1138A-34R-3, 105-107 cm. 2. Pterosyringium hamata O'Connor; Sample 183-1138A-34R-2, 23-25 cm. 3. Lithomelissa tricornis Chen; Sample 183-1138A-34R-1, 103-105 cm. 4. Lithomelissa gelasinus O'Connor; Sample 183-1138A-34R-3, 20-22 cm. 5. Lithomelissa sp. aff. L. ehrenbergi Bütschli; Sample 183-1138A-35R-5, 20-22 cm. 6. Lithomelissa? sp. A; Sample 183-1138A-35R-1, 24-26 cm. 7. Antarctissa longa Petrushevskaya; Sample 183-1138A-34R-3, 105-107 cm. 8. Antarctissa robusta Petrushevskaya; Sample 183-1138A-34R-1, 103-105 cm. 9-10. Antarctissa sp. cf. A. conradae Chen; Sample 183-1138A-35R-4, 20-22 cm. 11. Antarctissa? sp. A; Sample 183-1138A-35R-5, 20-22 cm. 12. Antarctissa? sp. B; Sample 183-1138A-35R-1, 51-53 cm. 13-14. Antarctissa sp. C gr.; Samples 183-1138A-35R-2, 24-26 cm. 15-17. Antarctissa? spp. gr.; Sample 183-1138A-35R-5, 51-53 cm. 18. Peridium? sp. A; Sample 183-1138A-35R-3, 23-25 cm. 19. Peridium? sp. B; Sample 183-1138A-35R-2, 24-26 cm. 20. Nassellaria Gen. et sp. indet. I; Sample 183-1138A-35R-1, 140-142 cm.