Species
Pseudotrigonograptus minor Mu et Lee, 1958
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Phyllograptidae |
| Genus | Pseudotrigonograptus |
| Species | ensiformis |
| minor |