Ancylostomatidae
	Cattle Hookworm (Bunostomum phlebotomum)
	Dog Hookworm (Ancylostoma caninum)
	Sheep Hookworm (Bunostomum trigonocephalum)
Angiostrongylidae
	American Rat Lungworm (Angiostrongylus costaricensis)
	Cat Lungworm (Aelurostrongylus abstrusus)
	French Heartworm (Angiostrongylus vasorum)
	Rat Lungworm (Angiostrongylus cantonensis)
Anisakidae
	Codworm (Pseudoterranova decipiens)
	Herring Worm (Anisakis simplex)
	Sealworm (Pseudoterranova decipiens)
Anoplocephalidae
	Sheep Tapeworm (Moniezia expansa)
Aphelenchoididae
	Pine Wilt Nematode (Bursaphelenchus xylophilus)
	Pine Wood Nematode (Bursaphelenchus xylophilus)
	Pinewood Nematode (Bursaphelenchus xylophilus)
	Red Ring Nematode (Bursaphelenchus cocophilus)
Arenicolidae
	Lugworm (Arenicola marina)
	Rock Worm (Arenicola marina)
Ascarididae
	Bear Roundworm (Baylisascaris transfuga)
	Common Roundworm (Ascaris lumbricoides)
	Giant Panda Roundworm (Baylisascaris schroederi)
	Pig Roundworm (Ascaris suum)
	Raccoon Roundworm (Baylisascaris procyonis)
	Red Panda Roundworm (Baylisascaris ailuri)
Belonolaimidae
	Sting Nematode (Belonolaimus longicaudatus)
Blood Flukes (Schistosomatidae)
	Bird Nasal Schistosome (Trichobilharzia regenti)
Bloodworms (Glyceridae)
	American Bloodworm (Glycera americana)
Capsalidae
	Kingfish Skin Fluke (Benedenia seriolae)
Cerebratulidae
	Corrugated Ribbon Worm (Parborlasia corrugatus)
	Milky Ribbon-Worm (Cerebratulus lacteus)
	Milky Ribbon Worm (Cerebratulus lacteus)
Chabertiidae
	Large-Mouth Bowel Worm (Chabertia ovina)
	Nodule Worm (Oesophagostomum dentatum)
	Pig Nodule Worm (Oesophagostomum dentatum)
Chaetodermatidae
	Glistenworm (Chaetoderma nitidulum)
Cossidae
	Aspen Carpenterworm (Acossus centerensis)
	Carpenterworm (Prionoxystus robiniae)
	Poplar Carpenterworm (Acossus centerensis)
Dictyocaulidae
	Bovine Lungworm (Dictyocaulus viviparus)
	Red Deer Lungworm (Dictyocaulus eckerti)
Diphyllobothriidae
	Broad Fish Tapeworm (Diphyllobothrium latum)
	Diplogonadic Human Tapeworm (Diplogonoporus grandis)
	Whale Tapeworm (Diplogonoporus balaenopterae)
Dracunculidae
	Dracunculiasis Worm (Dracunculus medinensis)
	Guinea Worm (Dracunculus medinensis)
	Guinea Worm Disease Nematode (Dracunculus medinensis)
Dugesiidae
	Freshwater Planarian (Schmidtea mediterranea)
Echinorhynchidae
	Proboscis Worm (Echinorhynchus gadi)
Enchytraeidae
	Glacier Ice Worm (Mesenchytraeus solifugus)
Fasciolidae
	Liver Fluke (Fasciola hepatica)
Glossiphoniidae
	Amazon Leech (Haementeria ghilianii)
	Mexican Leech (Haementeria officinalis)
	Turtle Leech (Placobdella ornata)
Gyrodactylidae
	Gyrodactylosis Fluke (Gyrodactylus salaris)
Haemadipsidae
	Indian Leech (Haemadipsa sylvestris)
Haemonchidae
	Barber Pole Worm (Haemonchus contortus)
	Red Stomach Worm (Haemonchus contortus)
Heteroderidae
	Cereal Cyst Nematode (Heterodera avenae)
	Corn Cyst Nematode (Heterodera zeae)
	Oat Cyst Nematode (Heterodera avenae)
	Pea Cyst Nematode (Heterodera goettingiana)
	Soybean Cyst Nematode (Heterodera glycines)
Hirudinidae
	Medicinal Leech (Hirudo medicinalis)
	North American Leech (Macrobdella decora)
Hymenolepididae
	Rat Tapeworm (Hymenolepis diminuta)
Longidoridae
	American Dagger Nematode (Xiphinema americanum)
Lumbricidae
	Brandling Worm (Eisenia fetida)
	Common Brandling Worm (Eisenia fetida)
	Common Dung-Worm (Eisenia fetida)
	Common Earthworm (Lumbricus terrestris)
	Humus Earthworm (Lumbricus rubellus)
	Red Wiggler Worm (Eisenia fetida)
	Redworm (Eisenia fetida)
	Tiger Worm (Eisenia fetida)
Maldanidae
	Bamboo Worm (Clymenella torquata)
Megascolecidae
	Asian Blue Worm (Perionyx excavatus)
	Blue Worm (Perionyx excavatus)
	Earthworm (Pheretima sieboldi)
	Oriental Composting Worm (Perionyx excavatus)
Meloidogynidae
	Root-Knot Nematode (Meloidogyne javanica)
	Southern Root-Knot Nematode (Meloidogyne incognita)
Microcotylidae
	Rockfish Gill Parasite (Microcotyle sebastis)
Oligacanthorhynchidae
	Giant Thorny-Headed Worm (Macracanthorhynchus hirudinaceus)
	Giant Thorny-Headed Worm Of Swine (Macracanthorhynchus hirudinaceus)
Onchocercidae
	Agent Of Lymphatic Filariasis (Brugia malayi)
	Agent Of Lymphatic Filariasis (Wuchereria bancrofti)
	Canine Heartworm Nematode (Dirofilaria immitis)
	Dog Heartworm Nematode (Dirofilaria immitis)
	Eye Worm (Loa loa)
	Grackle Nematode (Chandlerella quiscali)
Opisthorchiidae
	Cat Liver Fluke (Opisthorchis felineus)
	Oriental Liver Fluke (Clonorchis sinensis)
	Southeast Asian Liver Fluke (Opisthorchis viverrini)
Oxyuridae
	Chimpanzee Pinworm (Enterobius anthropopitheci)
	Human Pinworm (Enterobius vermicularis)
Peripatopsidae
	Pink Velvet Worm (Opisthopatus roseus)
Pompeii Worms (Alvinellidae)
	Palm Worm (Paralvinella palmiformis)
Pratylenchidae
	Banana-Root Nematode (Radopholus similis)
	Walnut Meadow Nematode (Pratylenchus vulnus)
	Walnut Root-Lesion Nematode (Pratylenchus vulnus)
Pseudocerotidae
	Two-Colored Flatworm (Pseudoceros bicolor)
Rhabditidae
	Nematode (Caenorhabditis elegans)
Sabellidae
	Feather Duster (Sabellastarte magnifica)
Sandworms (Nereididae)
	Dumeril's Clam Worm (Platynereis dumerilii)
	Japanese Palolo (Tylorrhynchus heterochaetus)
Serpulidae
	Calcareous Tube Worm (Hydroides elegans)
Sipunculidae
	Marine Worm (Sipunculus nudus)
	Peanut Worm (Phascolopsis gouldii)
Sludge Worms (Naididae)
	Sludge Worm (Tubifex tubifex)
Steinernematidae
	Mole Cricket Nematode (Steinernema scapterisci)
Strongylidae
	Bloodworm (Strongylus vulgaris)
Syngamidae
	Gapeworm (Syngamus trachea)
Taeniidae
	Beef Tapeworm (Taenia saginata)
	Horse Tapeworm (Echinococcus equinus)
	Marten Tapeworm (Taenia martis)
	Pig Tapeworm (Taenia solium)
	Pork Tapeworm (Taenia solium)
	Sheep Tapeworm (Taenia ovis)
Thelaziidae
	Eyeworm (Thelazia callipaeda)
	Thelaziosis Nematode (Thelazia callipaeda)
Toxocaridae
	Cat Roundworm (Toxocara cati)
	Dog Roundworm (Toxocara canis)
	Feline Roundworm (Toxocara cati)
Trichuridae
	Human Whipworm (Trichuris trichiura)
	Pig Whipworm (Trichuris suis)
Tylenchulidae
	Citrus Nematode (Tylenchulus semipenetrans)