curve

hydra

jellyfish

fish
inverts
   arthropods
   bacteria
   cnidaria
     hydra
     jellyfish
   colonial
   crustacea
   gastropods
   molluscs
   protists
   worms
misc
plants

~~Coelcentrates~~
Cnidariads

hydra

jellyfish

Limnocnida

Craspedacusta

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