Zooplankton of the South Atlantic Ocean
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Zooplankton of the South Atlantic Ocean
Key: Step 201. Subclass Leptomedusae

Without statocysts or cordyli; with numerous adaxial ocelli; numerous filiform, solid tentaculiform structures without marginal bulbs and not in connection with circular canal.

Step 202

With marginal cordyli or statocysts, with or without ocelli; without tentaculiform structures not in connection with circular canal.

Step 203
Decision path