Species
Pseudorthograptus obuti (Rickards et Koren', 1974)
Synonymy list
2003     Pseudorthograptus obuti (Rickards et Koren, 1974) — Loydell et al. , pp. 208, fig. 3c
Selection of related publications
Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia.  Geological Magazine   140,   2,   205-229. DOI:10.1017/S0016756802007264
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Order | Graptoloidea | 
| Suborder | Axonophora | 
| Superfamily | Retiolitoidea | 
| Family | Retiolitidae | 
| Subfamily | Petalolithinae | 
| Genus | Pseudorthograptus | 
| Species | insectiformis | 
| obuti | 
References based on distribution
- Loydell et al., 2003 Aizpute 41 borehole 975.33 - Rhuddanian