Zooplankton of the South Atlantic Ocean
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Zooplankton of the South Atlantic Ocean
Key: Step 774. Copepoda: Family Mesaiokeratidae females

Inner marginal seta present on P1 Ba. Posterior corners of Pr equal in length, but slightly asymmetrical in shape. Ro present, small, thin:

Mesaiokeras semiplenus

Mesaiokeras semiplenus

Inner marginal seta absent on P1 Ba. Posterior corners of Pr symmetrical. Ro absent:

Mesaiokeras tantillus

Mesaiokeras tantillus
Decision path