Genus
Xiphelasma Smith et Lang, 1931
Aiheeseen liittyvät julkaisut
Hill, D. 1981. Rugosa and Tabulata. Volume 1. Treatise on Invertebrate Paleontology. Part F. Coelenterata. Supplement 1, pp. F1-F378. he Geological Society of America and The University of Kansas.
List of species
1. Xiphelasma tubulatum (Schlotheim, 1813) | Silurian
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Cystiphyllida |
| Family | Holmophyllidae |
| Genus | Gukoviphyllum |
| Holmophyllum | |
| Nyhamnia | |
| Xiphelasma | |
| Species | tubulatum |