Zooplankton of the South Atlantic Ocean
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Zooplankton of the South Atlantic Ocean
Key: Step 528. Copepoda: Genus Gaussia
Copepoda: Genus Gaussia

Forehead flat anteriorly, in lateral view without anterodorsal triangular projection; Pr posterior corners asymmetrical, left corner shorter and curves outwards whereas right corner is longer and divergent. Male unknown:

Gaussia asymmetrica

Gaussia asymmetrica

Forehead pointed anteriorly, in lateral view with anterodorsal triangular process; Pr posterior corners more or less symmetrical, divergent.
Male P5 left segment 3 with blunt and short, proximally directed spine; terminal segment of right P5 with prominent undulating border, and 4 setae; distance between setae 1 and 2 and 2 and 3 almost equal:

Gaussia princeps

Gaussia princeps
Decision path