Medioantenna Imajima, 1997 clavata sensu Nishi & Tachikawa, 1999: Ogasawara (Bonin) Islands, Japan. CBM 890–892 (differ from nominal form in pigmentation, anterior end and parapodial features) variopinta Di Camilo, Martins & Britayev, 2011: N Sulawesi, Celebes Sea. MNCN 16.01 /13202, 16.01/ 13203, 16.01/13204