Species
Cyrtograptus trilleri Eisel
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Family | Cyrtograptidae |
| Genus | Cyrtograptus |
| Species | bohemicus |
| carruthersi | |
| centrifugus | |
| egregius | |
| ellesae | |
| hamatus | |
| hemmanni | |
| lapworthi | |
| linnarssoni | |
| lundgreni | |
| metatheca | |
| murchisoni | |
| perneri | |
| radians | |
| rigidus | |
| symmetricus | |
| trilleri |