Sibogita geometrica

Maas, 1905

Umbrella 20 mm wide, 38 mm high, globe-shaped, mesoglea thick; gonads in about 13 transverse folds in each of the 8 adradial rows; radial canals with lateral branches of second and third order at various levels, up to about 40 radial canal branches joining circular canal; tentacles as many as-, or half as many as canals, alternating with as many small ones, each flanked by pair of minute, wart-like protuberances.

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