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Poche, 1914

Capitata with quadrate manubrium forming radial lobes; mouth cruciform; interradial gonads on manubrium and radial lobes, or on radial lobes only, marginal tentacles generally developed along entire circular canal; tentacle bulbs usually with abaxial ocelli. Two families: Polyorchidae (gonads sausage-like or spiral), and Moerisiidae (gonads on manubrium and perradial manubrial lobes extending along radial canals).

Family Moerisiidae
Family Polyorchidae

Suborder Moerisiida