Species
Cyrtograptus symmetricus Elles, 1900
Aiheeseen liittyvät julkaisut
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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Luokittelu
| 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 |
Levinneisyys ja viitteet
- Kaminskas et al., 2006 Kurtuvenai 161 borehole