Mean¡SD  Range 


Hydrothecae  
Length of abcauline wall  1053.6¡69.5  940–1144  10 
Length of free adcauline wall  548.8¡75.6  420–680  10 
Length of adnate adcauline wall  740.0¡27.0  712–784  10 
Length of adcauline wall  1288.8¡75.0  1180–1400  10 
Ratio adnate/free adcauline wall  1.1–1.8  
Diameter at aperture  254.0¡12.1  240–280  10 
Diameter at base  111.2¡9.4  100–128  10 
Nematocysts  
Larger group  22.0¡0.6X7.2¡0.4  21–23X6.5–8  10 
Smaller group  8.0¡0X3.3¡0.3  8X3–3.5  3 