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![](frame40achoice1b.jpg) |
Postabdominal claw with distinct proximal (p) pecten
Ocellus (oc) round or rhomboidal
Vertex (v) with obtuse or rounded angle |
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![](frame40achoice2b.jpg) |
All teeth on postabdominal claw of similiar length
Ocellus (oc) triangular or rhomboidal
Vertex (v) spinous |
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![](frame40achoice3b.jpg) |
All teeth on postabdominal claw of similiar length
Ocellus (oc) elongated
Vertex (v) rounded |
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Taxonomy |
Phylum |
Arthropoda |
Subphylum |
Crustacea |
Class |
Branchiopoda |
Suborder |
Cladocera |
Family |
Daphniidae |
Genus |
Simocephalus |
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