Species
Ptilograptus plumosus Hall, 1865
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Dendroidea |
| Family | Ptilograptidae |
| Genus | Ptilograptus |
| Species | pennatus |
| plumosus |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Dendroidea |
| Family | Ptilograptidae |
| Genus | Ptilograptus |
| Species | pennatus |
| plumosus |