| Trích dẫn | 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. |
| Tài liệu tham khảo | 766 Nishikawa, T., 2004 |
| Trang | |
| Named Used as Valid | Pachyseris speciosa |
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| Distribution |