Table T3. Ratio of symmetric to asymmetric forms of Eucampia antarctica in two samples from interval D.
Core, section, 
interval (cm)
Depth (mbsf)
E. antarctica symmetric/asymmetric
Number counted
178-1098C-      
3H-4, 100-101 23.70 0.64 18
3H-4, 136-137 24.06 0.65 43