Key: Step 1154. Copepoda: Genus Scolecithrix males
Copepoda: Genus Scolecithrix males

Right P5 Exp terminal segment divided into 2 subequal branches:

Scolecithrix bradyi

Scolecithrix bradyi

Right P5 Exp terminal segment not divided into branches:

Scolecithrix danae

Scolecithrix danae
Decision path