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Cross section through a dead men's finger (sea sponge; detail)
Legend:
1 coenenchym / mesoglea
2 septum
3 retractor muscle
4 coelenteron
5 stomodeum (= pharynx)
English name: dead men's fingers
Scientific name: Alcyonium digitatum
Familia: Alcyoniidae
Classis: Anthozoa
Phylum: Cnidaria
Regnum: Animalia
