Haliscera bigelowi is a species of deep sea hydrozoan of the family Halicreatidae.

[1] Umbrella 15–17 mm wide, 9–10 mm high, almost hemispherical, with very thick, hemispherical apex; about 96 marginal tentacles in adults; about 12 marginal tentacles and 3 statocysts in each octant; thickening of marginal cnidocyst tissue less pronounced than in H. conica; gonads broadly oval, about 2/5 as long as radial canals, located slightly nearer manubrium than bell margin.

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