Family
Polygonograptidae Obut et Sennikov, 1981
Aiheeseen liittyvät julkaisut
Obut, A. M., Sennikov, N. V. 1981. Polygonograptidae familia nova (sistematika, stratigrafičkskoe i geografičeskoe rasprostranenie). Transactions of the Institute of Geology and Geophysics 482, 75-81. Nauka.
List of species
1. Polygonograptus sokolovi (Obut, 1953) | Pirgu Stage
Loading...
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Dendroidea |
| Family | Acanthograptidae |
| Dendrograptidae | |
| Polygonograptidae | |
| Genus | Polygonograptus |
| Family | Ptilograptidae |