| Citation | Sorensen, M.V., W. Sterrer and G. Giribet, 2006 Gnathostomulid phylogeny inferred from a combined approach of four molecular loci and morphology. Cladistics 22:32-58. |
| Ref. | 1467 Sorensen, M.V., W. Sterrer and G. Giribet, 2006 |
| Page | 35 |
| Named Used as Valid | Haplognathia simplex |
| Locality | |
| Distribution |