opil·i·o·nea \ōˌpilēˈōnēə\ oropil·i·o·nes\-ˌnēz\; oropil·i·o·ni·na\-əˈnīnə\ Etymology: New Latin, from Opilion-, Opilio, genus of arachnids, from Latin opilion-, opilio shepherd, from ovis sheep + -pilion-, -pilio driver (from pellere to drive) — more at ewe, felt synonym of phalangida