ACCESSORY FLAGELLUM
accessory flagellum: translation
(Order Amphipoda):
Small inner flagellum of antennule (as opposed to larger primary flagellum). Number of articles is of taxonomic importance [Stachowitsch, 1992].
(Order Isopoda):
In antenna of certain isopods, small, many-segmented flagellum projecting from fourth segment of peduncle [Stachowitsch, 1992].