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153 athecate hydroids species
Eudendrium vaginatum
Stylaster profundus
Acaulis primarius
Moerisia lyonsi
Bougainvillia superciliaris
Eudendrium ramosum
Protohydra leuckarti
Podocoryna americana
Eudendrium racemosum
Porpita porpita
Podocorynoides minima
Eudendrium album
Bougainvillia multitentaculata
Hydra hadleyi
Pachycordyle michaeli
Podocoryna borealis
Stylaster sanguineus
Eudendrium glomeratum
Coryne eximia
Sarsia lovenii
Hydra canadensis
Hydra utahensis
Pennaria disticha
Podocoryna carnea
Rhysia fletcheri
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