Genus
Palaeokylix Eisenack, 1932
List of species
Klassificering
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Superorder | Graptovermida |
| Order | Camaroidea |
| Crustoidea | |
| Dendroidea | |
| Dithecoidea | |
| Graptoloidea | |
| Inocaulida | |
| Mastigograptida | |
| Rhabdopleuridae | |
| Tuboidea | |
| Suborder | Sinograptina |
| Family | Chaunograptidae |
| Cyclograptidae | |
| Cysticamaridae | |
| Dithecodendridae | |
| Idiotubidae | |
| Thamnograptidae | |
| Tubidendridae | |
| Wimanicrustidae | |
| Genus | Calyxhydra |
| Diplohydra | |
| Flexihydra | |
| Lagenohydra | |
| Neolagarograptus | |
| Palaeokylix | |
| Species | chitinosus |
| Genus | Phragmohydra |
| Podoliagraptus | |
| Stolonofolliculus |