CLASS: ADENOPHOREA
SUBCLASS: ENOPLIA
ORDER: STICHOSOMIDA (TRICHURATA)
SUPERFAMILY: MERMITHOIDEA
FAMILY: MERMITHIDAE
Scientific name - Romanomermis culicivorax
CLASS: SECERNENTEA
SUBCLASS: RHABDITIA
ORDER: RHABDITIDA (RHABDITATA)
SUBORDER: RHABDITINA
SUPERFAMILY: RHABDITOIDEA
FAMILY: RHABDITIDAE
Scientific name - Steinernema
Scientific name - Heterorhabditis (See Steinernema)
SUPERFAMILY: HETERAKOIDEA
FAMILY: HETERAKIDAE
Scientific name -Heterakis gallinarum
Disease - histomoniasis
SUBCLASS: SPIRURIA
ORDER: SPIRURIDA (SPIRURATA)
SUPERFAMILY: DRACUNCULOIDEA
FAMILY: DRACUNCULIDAE
Scientific name -Dracunculus medinensis
Common name - Guinea worm, medina worm, serpent worm
SUPERFAMILY: FILARIOIDEA
FAMILY: FILARIIDAE
Scientific name - Wuchereria bancrofti
Disease - filariasis, elephantiasis
FAMILY: ONCHOCERCIDAE
Scientific name - Onchocerca volvulus
Disease - onchocerciasis, river blindness
Scientific name - Loa loa
Common name - eye worm
Disease - loaisis, loiasis, loaiasis
Scientific name - Dirofilaria immtis
Common name - dog heartworm
SUBCLASS: DIPLOGASTERIA
ORDER: TYLENCHIDA
SUBORDER: APHELENCHINA
FAMILY: APHELENCHOIDIDAE
SUBFAMILY: BURSAPHELENCHINAE
Scientific name - Bursaphelenchus xylophilus
Common name - pine wood nematode
SUBFAMILY: RHADINAPHELENCHINAE
Scientific name - Rhadinaphelenchus cocophilus
Common name - red ring nematode
Disease - red ring disease
SUBORDER: SPHAERULARIINA
Scientific name - Sphaerularia bombi