NEMATOCYSTS
ASTOMOCNIDAE
(Tube end closed)
DESMONENES A RHOPALONEMES
(Volvents, coiled tube)
(Sac-like tube)
ACROPHORES A ANACROPHORES
H APLON~MES
HETERONEMES
(Xo well defined base or butt)
(Enlarged base or butt)
RHOPALOIDES
(Anisodiametric base)
A STENOTELES
\
hN180RHIZIC / ISORHIZIC
ROLOTRICES 6 BASITRICHS ATR CHS RRABDOIDES
(Tube tapered, sometimes
slightly dilated at or near
its barn)
(Armed) (Partly armed) (Unarmed)
(Isodiametric butt)
MASTIQOPEOBES A AMASTIQOPHORES EURYTELES
(Terminal thread) (No terminal thread) (Butt dilated distal end) (Butt dilated at base)
Clessifkation of Nematocysts after Hand (1961).