Species
Cyrtograptus symmetricus Elles, 1900
Selection of related publications
Kaminskas, D., Paškevičius, J., Radzevičius, S. 2006. Graptolite biostratigraphy and pecularities of depositional environments during Late Llandovery and Wenlock according to geochemical data from Kurtuvenai-161 borehole (NW Lithuania). Geologija 53, 1, 1-7.
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Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Family | Cyrtograptidae |
| Genus | Cyrtograptus |
| Species | bohemicus |
| carruthersi | |
| centrifugus | |
| egregius | |
| ellesae | |
| hamatus | |
| hemmanni | |
| lapworthi | |
| linnarssoni | |
| lundgreni | |
| metatheca | |
| murchisoni | |
| perneri | |
| radians | |
| rigidus | |
| symmetricus | |
| trilleri |
References based on distribution
- Kaminskas et al., 2006 Kurtuvenai 161 borehole