Balellidae: Brief Summary
provided by wikipedia EN
Balellidae is a family of cnidarians belonging to the order Anthoathecata.
Genera:
Balella Stechow, 1919
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Diagnosis
provided by World Register of Marine Species
Hydroid colonies erect, branched, polysiphonic. Hydranths polymorphic. Gastrozooids with club-shaped body and with two well separated whorls of tentacles. Gonozooids with either one tentacle or none, with one whorl of gonophores. Dactylozooids small, tentacle- like. Gonophores released as immature medusae. Young medusa with four filiform tentacles, manubrium simple.
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