Species
Istrograptus transgrediensis (Perner, 1899)
Synonymy list
1899 Monograptus transgrediensis — Perner , pp. 13, fig. 17:24
2004 Neocolonograptus? transgrediensis (Perner, 1899) — Lenz & Kozlowska-Dawidziuk , pp. 32
2011 Istrograptus transgrediensis — Loydell , pp. 7
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Axonophora |
| Family | Monograptidae |
| Genus | Istrograptus |
| Species | chelmiensis |
| samsonowiczi | |
| transgrediensis |