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Dissection of a crayfish, rostral appendages

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1  antennula
2  antenna
3  mandibula
4  maxilla 1
5  maxilla 2
6  maxilliped 1
7  maxilliped 2
8  maxilliped 3
9  gill

 
English name: Crayfish
Scientific name: Astacus sp.
Familia: Astacidae
Classis: Malacostraca
Phylum: Arthropoda (subphyllum Crustacea)
Regnum: Animalia
The rostral appendages of a crayfish consist of the antennae and the mouthparts, which are formed by the mandibula, the maxillae and the maxillipeds.

http://www.vcbio.science.ru.nl/en/image-gallery/show/AN0076/print/

last modified: 5 Jun 2014