Mean¡SD  Range 


Hydrothecae  
Length of abcauline wall  892.0¡88.1  700–960  7 
Length of free adcauline wall  358.2¡110.1  230–504  10 
Length of adnate adcauline wall  770.6¡143.7  490–880  7 
Length of adcauline wall  1073.1¡106.4  840–1160  7 
Ratio adnate/free adcauline wall  1.4–3.8  
Diameter at aperture  143.8¡8.0  136–160  10 
Diameter at base  95.2¡11.5  75–104  6 
Nematocysts  
Larger group  15X5  15X5  1 