Table 5. Measurements (µ m) of Pennaria wilsoni (live material)
Hydrorhiza, diameter 200−400
Stem
width at base 200−500
distance between primary branches 375−570
width primary branch 200−500
Pedicel
distance between pedicels 1000−3500
length 200−300
width 70−120
Hydranth
body length extended 500−700
length of extended aboral tentacle 2000−3000
length oral (capitate) tentacle 250−350
Eumedusa at release
length 1050
width at base of bell 1000