| Trích dẫn | Sorensen, M.V. and W. Sterrer, 2002 New characters in the Gnathostomulid mouth parts revealed by scanning electron microscopy. Journal of Morphology 253:310-334. |
| Tài liệu tham khảo | 1488 Sorensen, M.V. and W. Sterrer, 2002 |
| Trang | 311 |
| Named Used as Valid | Haplognathia filum |
| Địa phương | |
| Distribution |