NMFS-BGC    Taxonomic Description
---------------------------------------------------------------
 4270000
 4270000          ----- ARTHROPODS (except crustacea) ----------
 4272500
 4272550     Acarina                                   (ITIS:  82754)
 4272570     Pycnogonida                               (ITIS:  83545)
 4275000
 4275000    Insecta                                    (ITIS:  99208)