liik
Cyrtograptus symmetricus Elles, 1900
Valik taksonit käsitlevast teaduskirjandusest
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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Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Hemichordata |
| klass | Pterobranchia |
| alamklass | Graptolithina |
| selts | Graptoloidea |
| sugukond | Cyrtograptidae |
| perekond | Cyrtograptus |
| liik | bohemicus |
| carruthersi | |
| centrifugus | |
| egregius | |
| ellesae | |
| hamatus | |
| hemmanni | |
| lapworthi | |
| linnarssoni | |
| lundgreni | |
| metatheca | |
| murchisoni | |
| perneri | |
| radians | |
| rigidus | |
| symmetricus | |
| trilleri |
Levik kirjandusandmetel
- Kaminskas et al., 2006 Kurtuvenai 161 puurauk