Oceaniidae
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Oceaniidae is one of the over 50 cnidarian families of the order Anthomedusae. It contains nearly 50 species in ten genera.
Genera
- Corydendrium (11 species)
- Corystolona (monotypic)
- Merona (5 species)
- Oceania (6 species)
- Pachycordyle (disputed)
- Rhizogeton (7 species)
- Similomerona (monotypic)
- Tubiclava (5 species)
- Turritopsis (11 species)
- Turritopsoides (monotypic)
- Corydendrium parasiticum, Stalk section of colony showing branching pattern, magnification × 8. br. = branch, coen. = coenosarc, n.t.1/2/3/4 = new tubes enveloping a branch from a coenosarcal strand and wedged in between older tubes, peri. = perisarc, ram.1/2/3 = short bearing hydranths, st. = stem.
- Turritopsis life cycle. Two branches from the tree-like colony are shown, with a feeding hydra (A) the tip of each twig. Buds at the base of the hydra (at B) eventually detach and grow into adult jellyfish (K)