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Austropotamobius spp. (Astacus spp., Austropotamobius spp.); écrevisses f (Astacus spp., Austropotamobius spp.) | |||
astacidés (Astacidae) | |||
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écrevisse commune (Astacus astacus(Linnaeus,1758)); écrevisse f (Astacus astacus(Linnaeus,1758)) | |||
écrevisse à pieds rouges (Astacus fluviatilis) |
Flußkrebse: 6 phrases in 3 subjects |
Natural resourses and wildlife conservation | 2 |
Natural sciences | 2 |
Zoology | 2 |