Plate P1. 1. Transverse section of Austrotrillina howchini (Schlumberger), 10x (Sample 194-1196A-35R-1, 13–17 cm). 2. Axial section of Flosculinella bontangensis (Rutten), 5x (Sample 194-1196B-46Z-1, 14–17 cm). 3. Floatstone-grainstone with Miogypsina sp. and small hyaline foraminifers, 2.5x (Sample 194-1199A-41R-1, 19–22 cm). 4. Lepidocyclina sp., geniculate red algae, and echinoid spine, 2.5x (Sample 194-1199A-41R-1, 19–22 cm). 5. Floatstone-poor packstone with mudstone internal sediment and micritized bioclasts including Operculinella sp. and Rotaliids, 2.5x (Sample 194-1196A-5R-2, 74–77 cm). 6. Floatstone-grainstone with Cycloclypeus sp., rounded fragments of red algae, and Halimeda plate, 2.5x (Sample 194-1196A-5R-2, 74

Plate P1. 1. Transverse section of Austrotrillina howchini (Schlumberger), 10x (Sample 194-1196A-35R-1, 13–17 cm). 2. Axial section of Flosculinella bontangensis (Rutten), 5x (Sample 194-1196B-46Z-1, 14–17 cm). 3. Floatstone-grainstone with Miogypsina sp. and small hyaline foraminifers, 2.5x (Sample 194-1199A-41R-1, 19–22 cm). 4. Lepidocyclina sp., geniculate red algae, and echinoid spine, 2.5x (Sample 194-1199A-41R-1, 19–22 cm). 5. Floatstone-poor packstone with mudstone internal sediment and micritized bioclasts including Operculinella sp. and Rotaliids, 2.5x (Sample 194-1196A-5R-2, 74–77 cm). 6. Floatstone-grainstone with Cycloclypeus sp., rounded fragments of red algae, and Halimeda plate, 2.5x (Sample 194-1196A-5R-2, 74–77 cm).