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