Zooplankton of the South Atlantic Ocean
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Zooplankton of the South Atlantic Ocean
Key: Step 471. Copepoda: Genus Pachyptilus females
Copepoda: Genus Pachyptilus females

A1 does not extend to CR; distal setae of Mx2 and Mxp thickened and spine-like:

Pachyptilus longimanus

Pachyptilus longimanus

A1 extends to posterior border of CR; none of setae on Mx2 and Mxp thickened more than remaining setae:

Pachyptilus abbreviatus

Pachyptilus abbreviatus
Decision path