CLASS: SECERNENTEA
SUBCLASS: RHABDITIA
ORDER: RHABDITIDA (RHABDITATA)
SUBORDER: RHABDITINA
SUPERFAMILY: RHABDITOIDEA
FAMILY: RHABDITIDAE
Free-Living
Scientific name - Caenorhabditis elegans
Common name -"C. elegans", the worm
Invertebrate Parasites
Scientific name - Steinernema
Scientific name - Heterorhabditis (See Steinernema)
FAMILY: STRONGYLOIDIDAE
Vertebrate Parasite
Scientific name - Strongyloides stercoralis
Common name - threadworm
SUPERFAMILY: OXYUROIDEA
FAMILY: OXYURIDAE
Vertebrate Parasite
Scientific name - Enterobius vermicularis
Common name - pinworm
SUPERFAMILY: HETERAKOIDEA
FAMILY: HETERAKIDAE
Vertebrate Parasite
Scientific name - Heterakis gallinarum
Disease - histomoniasis
ORDER: STRONGYLIDA (STRONGYLATA)
SUPERFAMILY: ANCYLOSTOMATOIDEA
FAMILY: ANCYLOSTOMATIDAE (ANCYLOSTOMIDAE)
Vertebrate Parasites
Scientific name - Ancylostoma duodenale
Common name - Old World hookworm of humans
Scientific name - Ancylostoma caninum (see A. duodenale)
Common name - dog and cat hookworm
Scientific name - Ancylostoma braziliense (see A. duodenale)
Common name - dog and cat hookworm
FAMILY: UNCINARIIDAE (ANCYLOSTOMIDAE)
Vertebrate Parasite
Scientific name - Necator americanus (see A. duodenale)
Common name - New World hookworm of humans, the American killer
SUPERFAMILY: TRICHOSTRONGYLOIDEA
FAMILY: TRICHOSTRONGYLIDAE
Vertebrate Parasite
Scientific name - Haemonchus contortus
Common name - barber pole worm
SUBCLASS: SPIRURIA
ORDER: ASCARIDIDA (ASCARIDATA)
SUPERFAMILY: ASCARIDOIDEA
FAMILY: ASCARIDIDAE
Vertebrate Parasite
Scientific name - Ascaris lumbricoides
Common name - human intestinal roundworm
FAMILY: TOXOCARIDAE
Vertebrate Parasites
Scientific name - Toxocara canis (dogs and cats) (see A. lumbricoides)
Scientific name - Toxascaris leonina (dogs and cats) (see A. lumbricoides)
Scientific name - Toxocara cati (cats) (see A. lumbricoides)
ORDER: SPIRURIDA (SPIRURATA)
SUPERFAMILY: DRACUNCULOIDEA
FAMILY: DRACUNCULIDAE
Vertebrate Parasite
Scientific name -Dracunculus medinensis
Common name - Guinea worm, medina worm, serpent worm
SUPERFAMILY: FILARIOIDEA
FAMILY: FILARIIDAE
Vertebrate Parasite
Scientific name - Wuchereria bancrofti
Disease - filariasis, elephantiasis
FAMILY: ONCHOCERCIDAE
Vertebrate Parasites
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: TYLENCHINA
SUPERFAMILY: TYLENCHOIDEA
FAMILY: TYLENCHIDAE
Free-Living or Plant Parasite
Scientific name - Tylenchus
FAMILY: ANGUINIDAE
Plant Parasites
Scientific name - Anguina tritici
Common Name - Seed and leaf gall nematode
Scientific name - Ditylenchus dipsaci
Common name - stem and bulb nematode
FAMILY: DOLICHODORIDAE
Plant Parasite
Scientific name - Dolichodorus heterocephalus
Common name - awl nematode
FAMILY: BELONOLAIMIDAE
Plant Parasite
Scientific name - Belonolaimus longicaudatus
Common name - sting nematode
FAMILY: PRATYLENCHIDAE
SUBFAMILY: PRATYLENCHINAE
Plant Parasites
Scientific name - Pratylenchus penetrans
Common name - lesion nematode
Scientific name - Radopholus similis
Common name - burrowing nematode
Disease - blackhead or toppling disease of bananas
Scientific name -Radopholus citrophilus (see R. similis)
Common name - burrowing nematode
Disease - spreading decline of citrus
FAMILY: HOPLOLAMIDAE
SUBFAMILY: ROTYLENCHULINAE
Plant Parasite
Scientific name - Rotylenchulus reniformis
Common name - reniform nematode
FAMILY: HETERODERIDAE
Plant Parasites
SUBFAMILY: HETERODERINAE
Scientific name - Heterodera schachtii
Common name - sugar beet cyst nematode
SUBFAMILY: MELOIDOGYNINAE
Scientific name - Meloidogyne incognita
Common name - cotton root-knot nematode
SUPERFAMILY: CRICONEMATOIDEA
FAMILY: CRICONEMATIDAE
Plant Parasites
SUBFAMILY: CRICONEMATINAE
Scientific name - Criconemella xenoplax
Common name - ring nematode
Disease - associated with bacterial canker of stone fruits
SUBFAMILY: HEMICYCLIOPHORINAE
Scientific name - Hemicycliophora arenaria
Common name - sheath nematode
FAMILY: TYLENCHULIDAE
Plant Parasites
SUBFAMILY: TYLENCHULINAE
Scientific name - Tylenchulus semipenetrans
Common name - citrus nematode
Disease - slow decline
SUBFAMILY: PARATYLENCHINAE
Scientific name - Paratylenchus hamatus
Common name - pin nematode
SUBORDER: APHELENCHINA
FAMILY: APHELENCHOIDIDAE
SUBFAMILY: APHELENCHOIDINAE
Plant Parasite
Scientific name - Aphelenchoides fragariae
Common name - foliar nematode
SUBFAMILY: BURSAPHELENCHINAE
Plant Parasite and Insect Associate
Scientific name - Bursaphelenchus xylophilus
Common name - pine wood nematode
SUBFAMILY: RHADINAPHELENCHINAE
Plant Parasite and Insect Associate
Scientific name - Rhadinaphelenchus cocophilus
Common name - red ring nematode
Disease - red ring disease
SUBORDER: SPHAERULARIINA
Invertebrate Parasite
Scientific name - Sphaerularia bombi