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Dissection of a crayfish: internal view of a male
	- Large (97 Kb) - Scroll down to information With labels Legend: 1 stomach 2 posterior gastric muscle 3 mandibular muscle 4 digestive gland 5 gills 6 antennary artery 7 three lobed testis 8 vas deferens 9 hindgut 10 abdominal extensor muscle
English name: Crayfish Scientific name: Astacus sp. Familia: Astacidae Classis: Malacostraca Phylum: Arthropoda (subphyllum Crustacea) Regnum: Animalia