Plate P4. Oligocene Spongodiscidae and Sponguridae from the Kerguelen Plateau, Site 1138. 1. Spongodiscus sp. aff. Spongodiscus maculatus Clark and Campbell; Sample 183-1138A-35R-3, 23-25 cm. 2. Spongopyle osculosa Dreyer; Sample 183-1138A-34R-2, 101-103 cm. 3. Perichlamydium limbatum Ehrenberg; Sample 183-1138A-34R-2, 23-25 cm. 4. Spongopyle sp. A; Sample 183-1138A-35R-1, 140-142 cm. 5. Stylodictya ocellata? Ehrenberg; Sample 183-1138A-35R-4, 104-106 cm. 6. Stylodictya aculeata Jørgensen; Sample 183-1138A-35R-4, 104-106 cm. 7. Stylodictya validispina Jørgensen; Sample 183-1138A-34R-2, 23-25 cm. 8. Amphymenium splendiarmatum Clark and Campbell; Sample 183-1138A-35R-1, 103-105 cm. 9. Amphycraspedum proxilum? Sanfilippo and Riedel; Sample 183-1138A-35R-2, 105-107 cm.