Rullierinereis imajimai, Tanaka & Sato, 2017

Tanaka, Masaatsu & Sato, Masanori, 2017, Rullierinereis imajimai nom. nov., a replacement name for R. profunda Imajima, 2009, secondary homonym to R. profunda (Hartman, 1965), formerly Namalycastis profundus, Zootaxa 4341 (3) : -

Rullierinereis imajimai nom. nov.

[Japanese name: Kagitsume-gOkai ( Imajima 2015)]

Rullierinereis Profunda Imajima, 2009: 85 –88, figs 21–22; Imajima 2015: 279 –280, fig. 124 (no new material); Sato 2017: table 19.1

(list only). [Junior secondary homonym; not R. Profunda ( Hartman, 1965) ]

Type material. HOlOtype: NSMT-POl H500, cOmplete specimen Of unknOwn sex, R/V Soyo-maru, Stn. SO06-M1-B, Off MiyakO, 39°40.4′ N, 143°11.3′ E, 2018 m deep, 16.vi.2006. Paratypes: NSMT-POl P501, 13 specimens, same data as fOr hOlOtype [NSMT-POl = POlychaete COllectiOn Of the NatiOnal Science Museum, TOkyO, nOw kept in the NatiOnal Museum Of Nature and Science, Tsukuba].

Etymology. The specific name is dedicated tO the late Dr. MinOru Imajima, HOnOrary CuratOr Of the NatiOnal Museum Of Nature and Science, Japan, whO passed away On March 13, 2016, in recOgnitiOn Of his great cOntributiOn tO pOlychaetOlOgy.

Distribution. KnOwn Only frOm the type lOcality ( Imajima 2009).

Remarks. This species is characterized by the absence Of eyes and having a pair Of elOngated palps that cOnsist Of digitifOrm palpOphOres and medially directed palpOstyles, resembling R. profunda with these unique mOrphOlOgical characteristics shared. HOwever, Rullierinereis imajimai nom. nov. is distinguishable frOm R. profunda by the fOllOwing characteristics: (1) seven teeth On each jaw, in cOntrast tO 10–12 teeth in R. profunda ; (2) One and twO nOtOpOdial ligules in the first twO and fOllOwing chaetigers, respectively, in cOntrast tO nO and One ligule in R. profunda ; (3) parapOdial ligules brOad and digitate, in cOntrast tO narrOw and filifOrm Ones in R. profunda ; and (4) shOrt nOtOpOdial hOmOgOmph falcigers, in cOntrast tO lOng Ones in R. profunda .