Figure 8.1-8.11. 1-5. GSC127649 (holotype) Placopsilina spongiphila n. sp. 1-3. Oblique views on specimen growing on 3 different axes of a F. occa meshwork. 4. Close-up of aperture. 5. Close-up of initial part. Shipek grab TUL99A015, sponge fraction. 6-7. GSC127650. Placopsilina spongiphila growing on the meshwork of Farrea occa. Opposite sides of the initial part of the same specimen in close-up view. Proloculus is on Figure 8.7. Chambers increase gradually in size. Shipek grab TUL99A015, sponge fraction. 8-9. GSC127651. Placopsilina spongiphila. Opposite sides of the initial part of a specimen growing on F. occa. Proloculus is on Figure 8.8. Shipek grab TUL99A014, >1 mm. 10-11. GSC127652. Placopsilina spongiphila. Short specimen with complex coiled initial part. 10. General view. 11. Apertural face. Shipek grab TUL99A015, sponge fraction.