Species
Haplacanthus ehrmanensis Gross, 1942
Synonyymit
1975 Haplacanthus ehrmanensis Gross, 1940 — Lyarskaya , pp. 232, fig. 1:5
1998 Haplacanthus ehrmanensis Gross — Valiukevičius , pp. 7
2000 Haplacanthus ehrmanensis Gross — Esin et al. , pp. 345
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Acanthodii |
| Genus | Haplacanthus |
| Species | ehrmanensis |
| ludziensis | |
| marginalis | |
| perseensis |