Gelidiales

plural noun

Ge·​lid·​i·​a·​les

jəˌlidēˈā(ˌ)lēz

: a small order of red algae (subclass Florideae) containing a single family and including Gelidium and a few related genera that are sometimes placed in Nemalionales

Word History

Etymology

New Latin, from Gelidium + -ales

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