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Dissection of a crayfish: intestines

Legend:

1  stomach
2  intestine
3  digestive gland
4  hindgut

English name: Crayfish
Scientific name: Astacus sp.
Familia: Astacidae
Classis: Malacostraca
Phylum: Arthropoda (subphyllum Crustacea)
Regnum: Animalia