Oceaniidae
Oceaniidae is one of the over 50 cnidarian families of the order Anthomedusae. It contains nearly 50 species in ten genera.Genera
- Corydendrium
- Corystolona
- Merona
- Oceania
- Pachycordyle
- Rhizogeton
- Similomerona
- Tubiclava
- Turritopsis
- Turritopsoides
'', 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.