Genus
Callograptus Hall, 1865
Selection of related publications
Obut, A., Rytzk, G. 1958. Ordovician and Silurian Dendroidea of Estonia. ENSV TA Geoloogia Instituudi uurimused III, 125-143.
List of species
1. Callograptus kaljoi Obut et Rytzk, 1958 | Porkuni Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Dendroidea |
| Family | Dendrograptidae |
| Genus | Callograptus |
| Species | kaljoi |
| Genus | Dendrograptus |
| Desmograptus |
References based on distribution
- Obut & Rytzk, 1958 Porkuni quarry Porkuni Stage