Synonym for Secernentasida ... A class of nematodes possessing lateral canals opening into the excretory system and phasmids; it includes most of the familiar nematode parasites of humans and domestic animals, including the soil-borne nematodes, strongyles, and filiariae. ... See: Adenophorasida. ... Synonym: Phasmidia, Secernentia. ... Origin: L. ... Found on http://www.encyclo.co.uk/local/20973