FIELD E ; Taxonomy Code 

 Columns 18, 19. 20, 21, 

 22, 23, 24, and 25 



811, 812, Oligochaeta, order of Chaetopoda 834 



and 813 (equals orders Opisthopora, 



Plesiopara, and Prosopora) 

 811 Opisthopora, order of class 834 



Oligochaeta 



811 Opisthopora, suborder of order 



Oligochaeta 834 



81101 Lumbricidae, family of order 



Opisthopora 83401 



81101 Earthworms 



81101011 Lumbricus terrestris 835 



812 Plesiopora, order of class 



Oligochaeta or suborder of 



order Oligochaeta 83 5 



81201 Tubificidae 



81201011 Tubif ex tubi f ex 



813 Prosopora, order of class 835 



Oligochaeta or suborder of 

 order Oligochaeta 836 



82 Hirudinea, class of phylum 



Annelida or subclass of class 

 Chaetopoda 836 



82 Leeches 



821 Arhynchobdellida 



(syn. Gnathobdellida) 836 



821 Gnathobdellida 



(syn. Arhynchobdellida) 83601 



82101 Hirudidae 



82101 Gnathobdellidae 84 



(syn. Hirudidae) 840 



82101011 Hirudo medicinalis 



822 Rhynchobdellida, order of class 84001 



Hirudinea 



83 Polychaeta, class of Annelida F 

 83 Errantia, subclass of class Fl 



Polychaeta Fll 



831 to 836 Polychaeta, order of Chaetopoda FllOl 



(equals all other orders listed FllOlOll 



of class Polychaeta) F1101021 



831 Amphinomorpha, order of subclass F1102 



Errantia G 



83101 Amphinomidae H 



832 Nereimorpha (syn. Nereidiformia), 



order of subclass Errantia 9 



832 Nereidiformia (syn. Nereimorpha), 91 



order of subclass Errantia 91 



832 Nereidiformia, suborder of order 



Polychaeta 91 



83201 Aphroditidae, family of order 



Nereimorpha 911 



83 Sedentaria, subclass of class 



Polychaeta 



833 Spiomorpha (syn. Spioniformia), 91 



order of subclass Sedentaria 

 833 Spioniformia (syn. Spiomorpha), 912 



order of subclass Sedentaria 

 833 Spioniformia, suborder of order 



Polychaeta 91201 



83301 Ariciidae, family of order 91201011 



Spioniformia 



Drilomorpha 



(syn. Capitelliformia), order of 



subclass Sedentaria 

 Capitelliformia 



(syn. Drilomorpha), order of 



subclass Sedentaria 

 Capitelliformia, suborder of 



order Polychaeta 

 Cirratulidae, family of order 



Drilomorpha 

 Terebellomorpha 



(syn. Terebelliformia), order of 



subclass Sedentaria 

 Terebelliformia 



(syn. Terebellomorpha), order 



of subclass Sedentaria 

 Terebelliformia, suborder of 



order Polychaeta 

 Serpulimorpha 



(syn. Sabelliformia), order of 



subclass Sedentaria 

 Sabelliformia 



(syn. Serpulimorpha), order of 



Sedentaria 

 Sabelliformia, suborder of order 



Polychaeta 

 Sabellariidae, family of order 



Serpulimorpha 

 Archiannelida, class of Annelida 

 Archiannellda (no acceptable 



organization into orders in 1957) 

 Polygordiidae 



Echiuroidea 



Echiurida 



Echiuroinea 



Echiuridae 



Echiurus pallasii 



Urechis caupo 



Bonelliidae 



Sipunculidoidea 



Priapulidoidea 



Arthropoda 

 Crustacea 

 Branchiopoda, subclass of class 



Crustacea 

 Eubranchiopoda, superorder of 



subclass Branchiopoda 

 Anostraca, order of subclass 



Branchiopoda (or order of 



Eubranchiopoda) 

 Oligobranchiopoda, superorder of 



subclass Branchiopoda 

 Cladocera, order of subclass 



Branchiopoda (or order of 



Oligobranchiopoda) 

 Daphnidae 

 Daphnia pulex 



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