Species
Hormograptus densitubularis (Obut, 1960)
Type specimen data
Synonymy list
1960     Thallograptus  densitubularis sp. nov. — Obut , pp. 146-147, fig. 1:1-1a
Selection of related publications
Obut, A. M. 1960. Correlation of some parts of  Estonian Ordovician and Silurian deposits according to graptolites.  ENSV TA Geoloogia Instituudi Uurimused   V,      143-157.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Family | Wimanicrustidae | 
| Genus | Hormograptus | 
| Species | cervus | 
| defensor | |
| densitubularis | |
| luhai | |
| ramulus | |
| sphaericola | 
References based on distribution
- Obut, 1960 Porkuni quarry Porkuni Stage