Genus
Xenocyathus Eisenack, 1982
List of species
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Family | Wimanicrustidae |
| Supergenus | Urbanekicrusta |
| Genus | Bulmanicrusta |
| Ellesicrusta | |
| Graptoblastoides | |
| Graptoblastus | |
| Holmicrusta | |
| Hormograptus | |
| Lapworthicrusta | |
| Maenniligraptus | |
| Ruedemannicrusta | |
| Thallograptus | |
| Wimanicrusta | |
| Xenocyathus | |
| Species | stolonifer |