Diplocirrus nicolaji ( Buzhinskaja, 1994 )

Jimi, Naoto, Fujiwara, Yoshihiro & Kajihara, Hiroshi, 2017, Remarkable biodiversity of flabelligerids in Japan: seven new species of Diplocirrus (Annelida: Flabelligeridae) from Japanese waters, Zootaxa 4337 (3) : -

Diplocirrus nicolaji ( Buzhinskaja, 1994)

(Japanese name: bouzu-habouki)

Diversibranchius nicolaji Buzhinskaja 1994 , 231, figs 2–7; Darbyshire & Mackie 2009, 97, table 1. Flabelligeridae from Japan: Rouse and Pleijel 2001, pl. 11, fig. f.

Diplocirrus nicolaji: Salazar-Vallejo & Buzhinskaja 2011 , 31–33, fig. 9; Jimi et al. 2016, 1–8, figs 2–3; Okanishi et al. 2016, 17, fig. 5B.

Material examined. NSMT-Pol 113221, Iorigawa, Miyazaki Prefecture, intertidal flat, collected by Dr. Shinri Tomioka .

Diagnosis. Anterior body swollen; sediment particles covering only base of papillae; gonopores present on chaetigers 2 to 23–48; papillae not long. Cephalic cage poorly developed; median neurochaeta with about 10 articles, tip markedly falcate. Two types of branchiae, both with lamellae.

Distribution. Oshoro (Hokkaido Prefecture) to Iorigawa (Miyazaki Prefecture), Japan and Russia. Intertidal of tidal flat to subtidal (~ 10 m depth) of mud sand bottom.