Columbia subject headings:
Harvard subject headings:
Copopeda--Classification.
Copopeda--Ecology.
Crustacea--Classification.
Crustacea--Ecology.
Sea anemones--Parasites.
Princeton subject headings:
Copepoda--Classification.
Copepoda--Ecology.
Crustacea--Classification.
Crustacea--Ecology.
Sea anemones--Parasites.