of, like or pertaining to leeches
(from the article `aschelminth`) ...SeisonideaMarine species on the surface of Crustacea; not parasitic; weakly developed corona; bisexual.Order BdelloideaMostly freshwater; swimming ... In addition to the swimming rotifers, some (order Bdelloidea) loop along the bottom of ponds, alternately attaching the head and tail ends; others ... ...