Rev 10/24/2022
Spirocercidae
Spiruridae
Acuariidae
Hedruridae
Tetrameridae
Thelaziidae
Filarioidea
Habronematoidea
Onchocercidae
Filariidae
Aproctidae
Setariidae
Habronematidae
Cystidicolidae
Oxyuroidea
Physalopteroidea
Oxyuridae
Pharyngodonidae
Gnathostomatidae
Physalopteridae
Key to the Orders of Nematoda
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