Strongylina

noun plural

Stron·​gy·​li·​na ˌsträn-jə-ˈlī-nə 

: a suborder (order Rhabditida) that comprises nematode worms parasitic as adults in vertebrates often with a complex life cycle involving an invertebrate larval host and that includes important parasites (as the strongyles and the hookworms) of humans and domestic animals