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Cross section through a dead men's finger (sea sponge)
Legend:
1 coenenchym / mesoglea
2 septa
3 coelenteron
4 retracted tentacles
5 ovaries (+ egg cells)
English name: dead men's fingers
Scientific name: Alcyonium digitatum
Familia: Alcyoniidae
Classis: Anthozoa
Phylum: Cnidaria
Regnum: Animalia
