Synaphobranchus affinis Günther, 1877
O №ª
Synaphobranchus affinis Günther, 1877:445 (type locality: Japan). Shen et al., 1993:110; Chen & Mok, 2001:79; Shao et al., 2008:238.
Remarks. There are many specimens deposited in the ASIZP collection. However, there are taxonomic problems remaining, and this group needs further study.