(1–3) Actinastrea polygonata Alloiteau, 1954. LFU 8336SG015004#1. 1. Transversal thin section. 2. Transversal thin section, detail. 3. Transversal thin section, detail. (4–6) Antilloseris sp., LFU 8336SG015138#2. 4. Transversal thin section. 5. Transversal thin section, detail. 6. Transversal thin section, detail. (7–9) Caryophylliidae indet. 1, LFU 8336SG015133#2. 7. Transversal thin section. 8. Transversal thin section, detail. 9. Longitudinal thin section. (10–12) Caryophylliidae indet. 2, LFU 8336SG015099#2. 10. Transversal thin section. 11. Transversal thin section, detail. 12. Longitudinal thin section. Scale bars: 1 mm.