BRUSHSHAPED ORGAN
(Class Ostracoda):
Rudimentary third pair of thoracopods (ninth paired appendage of body). Consists of basal part (stem) bearing distal cluster of hairs. Typically restricted to male and considered to be sensory. (Syn. brush-like structure) [Stachowitsch, 1992].
(Class Ostracoda):
Small pair of lobes bearing numerous fine setae; found between the fifth limbs in males of most Cytherocopina and some Cypridocopina; might represent vestigial appendages [Cohen, Peterson, and Maddocks, in press].