Class
Jellyfish and hydrozoans
Cnidarians including true jellyfish, box jellyfish and hydrozoans.
9 profiles
Jellyfish and hydrozoans
Box Jellyfish
Cubozoa
Box jellyfishes are named for their angular bells.
LivingJellyfish and hydrozoans
Freshwater Jellyfish
Craspedacusta sowerbii
Classification and source reference
LivingJellyfish and hydrozoans
Giant Siphonophore
Praya dubia
Classification and source reference
LivingJellyfish and hydrozoans
Immortal Jellyfish
Turritopsis dohrnii
Classification and source reference
LivingJellyfish and hydrozoans
Irukandji Jellyfish
Carukia barnesi
Classification and source reference
Living
Jellyfish and hydrozoans
Jellyfish
Jellyfish include many drifting cnidarians.
LivingJellyfish and hydrozoans
Lion's Mane Jellyfish
Cyanea capillata
Classification and source reference
Living
Jellyfish and hydrozoans
Man of War Jellyfish
Physalia physalis
The Portuguese man-of-war is a floating hydrozoan colony rather than a single jellyfish.
Living
Jellyfish and hydrozoans
Moon Jellyfish
Aurelia aurita
The moon jellyfish has a translucent bell with four conspicuous horseshoe-shaped reproductive structures.
Living
Other classes
- Mammals
- Birds
- Reptiles
- Amphibians
- Fish
- Insects
- Arachnids
- Molluscs
- Crustaceans
- Corals and anemones
- Worms
- Centipedes
- Millipedes
- Sea urchins
- Sea stars
- Sea lilies and feather stars
- Tunicates
- Horseshoe crabs
- Sea spiders
- Early synapsids
- Prehistoric invertebrates
- Comb jellies
- Sponges
- Brittle stars
- Sea cucumbers
- Tardigrades
- Other life