Key: Step 443. Crustacea

Ctenopoda
and
Onychopoda
Key to species

Step 444. Ctenopoda and Onychopoda

Copepoda
Keys to families and species

Step 451. Copepoda

Amphipoda
Keys to families,
genera and species

Step 1405. Amphipoda

Mysidacea
Key to genera

Step 1603. Mysidacea

Euphausiacea
Keys to genera and species

Step 1641. Euphausiacea

Brachyura larvae:
first zoea
Key to families

Step 1697. Brachyura larvae: first zoea
Decision path