Species
Helicelasma poulseni (Cox, 1937)
Synonyymit
1937 Streptelasma poulseni — Cox , pp. 9,10, fig. 2:8,9
1975 Helicelasma poulseni — McLean & Webby , pp. 233
1981 Helicelasma poulseni (Cox, 1937) — Elias , pp. 20
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Stauriida |
| Suborder | Streptelasmatina |
| Family | Streptelasmatidae |
| Subfamily | Streptelasmatinae |
| Genus | Helicelasma |
| Species | bystrowi |
| poulseni | |
| simplex |