Plate P10. Scale bar = 100 µm. 1. Alabamina sp. 1 (Sample 199-1215A-8H-4, 22–23 cm). 2. Alabamina dissonata (Cushman and Renz) (Sample 199-1220B-20X-2, 24–26 cm). 3, 4. Alabamina sp. 3 (Sample 199-1221C-11X-3, 92–94 cm). 5. Alabamina sp. 4 (Sample 199-1215A-8H-4, 12–13 cm). 6. Alabamina sp. 5 (Sample 199-1221C-11X-3, 90–92 cm). 7. Nonion sp. 1 (Sample 199-1215A-8H-4, 12–13 cm). 8, 9. Nonion havanense Cushman and Bermudez; (8) Sample 199-1221C-11X-1, 43–45 cm, (9) Sample 199-1215A-8H-4, 16–17 cm.