| Citation | Nishikawa, T., 2004 A new deep-water lancelet (Cephalochordata) from off Cape Nomamisaki, South West Japan, with a proposal of the revised system recovering the genus Asymmetron. Zoological Science 21:1131-1136. |
| Ref. | 766 Nishikawa, T., 2004 |
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| Named Used as Valid | Asymmetron inferum |
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