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Brood-pouch of Thecidium mediterraneum. Part of the wall of the pouch has been removed to show the clusters of larvae. 1895. Thecidium.
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Freshwater and Marine Image Bank U Washington
Brood-pouch of Thecidium mediterraneum. Part of the wall of the pouch has been removed to show the clusters of larvae.. 1. Mouth, overhung by lip.; 2. One of the two median tentacles which are enlarged and modified to bear the larvae.