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189 thecate hydroids species
Halecium dyssymetrum
Halecium lankesterii
Halecium sessile
Halecium tenellum
Halopteris polymorpha
Hebella scandens
Hydrodendron mirabile
Macrorhynchia phoenicea
Orthopyxis everta
Orthopyxis integra
Phialella quadrata
Salacia desmoides
Scandia mutabilis
Sertularella areyi
Thyroscyphus fruticosus
Polyplumaria flabellata
Aequorea vitrina
Hydrallmania distans
Aglaophenia elongata
Halecium densum
Orthopyxis caliculata
Aglaophenia diegensis
Aequorea forskalea
Aglaophenia latecarinata
Halopteris diaphana
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