Genus
Ptilograptus 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. Ptilograptus pennatus Obut et Rytsk, 1958 | Pirgu Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Dendroidea |
| Family | Ptilograptidae |
| Genus | Ptilograptus |
| Species | pennatus |
| plumosus |