Plate P6. Oligocene Plagiacanthidae, Pterocorythidae, Plagonidae, Cannobotridae, and Theoperidae from the Kerguelen Plateau, Site 1138. 1. Ceratocyrtis stigi (Bjørklund); Sample 183-1138A-35R-5, 20-22 cm. 2. Ceratocyrtis sp. aff. C. stigi (Bjørklund); Sample 183-1138A-35R-2, 105-107 cm. 3-4. Ceratocyrtis robustus? Bjørklund; Sample 183-1138A-35R-5, 20-22 cm. 5. Ceratocyrtis mashae Bjørklund; Sample 183-1138A-34R-1, 103-105 cm. 6. Lophophaena capito Ehrenberg; Sample 183-1138A-35R-2, 105-107 cm. 7. Carpocanariu sp. A; Sample 183-1138A-35R-1, 103-105 cm. 8. Lamprocyclas sp. A; Sample 183-1138A-35R-2, 24-26 cm. 9. Tripodiscinus clavipes Clark and Campbell; Sample 183-1138A-34R-2, 101-103 cm. 10. Tripodiscinus sp. A; Sample 183-1138A-35R-2, 105-107 cm. 11. Botryocella pauciperforata O'Connor; Sample 183-1138A-35R-4, 104-106 cm. 12. Botryocella? sp. A; Sample 183-1138A-34R-1, 103-105 cm. 13-15. Cornutella profunda Ehrenberg gr.; Sample 183-1138A-35R-5, 51-53 cm.