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Lacinularia 1

Lacinularia 1
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Lacinularia flosculosa - These animals - with a wheeling organ shaped like a heart - form colony globes and have settled on the stalk of a waterplant.

They stick in a self-produced gelantine globe and have dropped their eggs into its centre. As male animals rarely occur the offspring are mostly produced in Parthenogenesis.

Lacinularia 2

Lacinularia 2
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Lacinularia flosculosa - Heart-shaped wheeling organ of an animal at work.

Pre-folded pleats enable them to withdraw their large wheeling organ in an alarm-reaction.