Phylum Nemata - a simplified classification emphasizing the phylogeny of parasites

CLASS: ADENOPHOREA
  SUBCLASS: ENOPLIA
    ORDER: DORYLAIMIDA
      SUBORDER: DORYLAIMINA
        SUPERFAMILY: DORYLAIMOIDEA
          FAMILY: LONGIDORIDAE 
          Plant Parasite
          Scientific name - Xiphinema index 
          Common name - Dagger nematode
          Disease - transmits grapevine fanleaf virus

ORDER: STICHOSOMIDA SUPERFAMILY: TRICHOCEPHALOIDEA FAMILY: TRICHURIDAE Vertebrate Parasite Scientific name -Trichuris trichiura SUPERFAMILY: TRICHOCEPHALOIDEA FAMILY: TRICHINELLIDAE Vertebrate Parasite Scientific name -Trichinella spiralis Disease - trichinosis

SUPERFAMILY: MERMITHOIDEA FAMILY: MERMITHIDAE Invertebrate Parasite Scientific name - Romanomermis culicivorax CLASS: SECERNENTEA SUBCLASS: RHABDITIA ORDER: RHABDITIDA 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 SUPERFAMILY: ANCYLOSTOMATOIDEA FAMILY: ANCYLOSTOMATIDAE 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 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 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 SUPERFAMILY: DRACUNCULOIDEA FAMILY: DRACUNCULIDAE Vertebrate Parasite Scientific name -Dracunculus medinensis Common name - Guinea worm, medina worm, serpent worm

SUPERFAMILY: FILARIOIDEA FAMILY: FILARIIDAE Vertebrate Parasites Scientific name - Wuchereria bancrofti, Brugia malayi 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: 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

SUBORDER: APHELENCHINA 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