ˌbaŋēˈȯidēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Bangia genus of algae + -oideae — more at bangiaceae
: a subclass of Rhodophyceae comprising red algae that usually lack a growing point, undergo diffuse growth, and have a filamentous or foliose and often unbranched thallus — compare florideae