mesoplankton

N1 (practical, quick separation)

N2 (Phylum mostly)

N3 (Class mostly)

N4 (Order if possible)

N5 (sub-Order -> Genus)

N1 (practical, quick separation)

N2 (Phylum mostly)

N3 (Class mostly)

N4 (Order if possible)

N5 ( (sub-Order -> Genus)

N6 (Species)

N6 (Species)