Nematodes (Vet tech Parasitology)

Spirocera lupi

esophageal worm; infects canines and felines; "paper clip" shaped egg

Physaloptera species

canine and feline stomach worm; larvated eggs

Aonchotheca putorii

gastric capillarid of cats

Ollulanus tricuspis

feline trichostrongyle

Toxocara canis

canine roundworm

Toxocara cati

feline roundworm

Toxascaris leonina

feline and canine roundworm

Baylisascaris procyonis

raccoon roundworm

Ancylostoma caninum

the canine hookworm

Ancylostoma tubaeforme

the feline hookworm

Ancylostoma braziliense

canine and feline hookworm

Uncinaria stenocephala

northern canine hookworm

Strongyloides stercoralis and Strongyloides tumiefaciens

intestinal threadworms; infects dogs, cats and humans; parasitic males do not exist

Trichuris vulpis

canine whipworm

Trichuris campanula and Trichuris serrata

feline whipworms

Enterobius vermicularis

human pinworm - does not parasitize felines and canines

Aelurostrongylus abstrusus

feline lungworm

Eucoleus aerophilus

respiratory capillarid - smaller than whipworm eggs

Dioctophyma renale

canine giant kidney worm

Pearsonema plica and Pearsonema feliscati

bladder worm of felines and canines

Thelazia californiensis

eyeworm of canines and felines

Gongylonema pulchrum

esophageal worm of ruminants

Trichostrongylus species

Trichostrongyles of cattle and sheep - diagnosed as trichostrongyle type of egg

Nematodirus species and Marshallagia species

Trichostrongyles with very large eggs - ruminants

Strongyloides papillosus

bovine intestinal threadworm - pathogenic males do not exist

Trichuris ovis

whipworms of ruminants

Elaeophora schneideri

arterial worms of sheep

Dictyocaulus species

lungworms of ruminants

Muellerius capillaris

hair lungworm of sheep and goats

Stephanofilaria stilesi

skin worms of ruminants

Thelazia rhodesii and Thelazia gulosa

eyeworms of cattle, sheep and goats

Setaria cervi

abdominal worm of cattle

Habronema microstoma, Harbronema muscae and Craschia megastoma

stomach worms of horses

Trichostrongylus axei

stomach worms of horses and pigs

Parascaris equorum

equine roundworm; equine ascarid

Strongylus vulgaris, Strongylus edentaus and Strongylus equinus

strongyles of horses

Strongyloides westeri

intestinal threadworm of horses - pathogenic males do not exist

Oxyuris equi

Pinworm of horses

Dictyocaulus arnfieldi

equine lungworm

Habronema microstoma, Habronema muscae, and Draschia megastoma

Cutaneous habronemiasis, cutaneous draschiasis, "summer sores"

Trichostrongylus axei

stomach worms of horses, cattle, sheep and pigs

Ascaris suum

swine ascarid or large intestinal roundworm of pigs

Trichuris suis

whipworm of pigs

Trichinella spiralis

Trichina worm