Give me a list of 10 nematode species
Caenorhabditis elegans,
Ascaris lumbricoides,
Pristionchus pacificus,
Trichuris suis,
Necator americanus,
Ancylostoma duodenale,
Heligmosomoides polygyrus,
Nippostrongylus brasiliensis,
Lumbricus terrestris,
Ostertagia ostertagi