Selection of related publications
Štorch, P., Manda, Š. 2019. Little known Homerian (lower Silurian) graptolites from Kosov quarry near Beroun, the Czech republic. Fossil Imprint 75, 1, 44-58. DOI:10.2478/if-2019-0003
Männik, P., Loydell, D. K., Nestor, V., Nõlvak, J. 2015. Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, Sweden. GFF 137, 3, 226-244. DOI:10.1080/11035897.2015.1042032
Radzevičius, S. 2013. Silurian graptolite biozones of Lithuania: present and perspectives. Geologija 55, 2(82), 41-49. DOI:10.6001/geologija.v55i2.2757
Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia. Geological Magazine 147, 2, 253-280. DOI:10.1017/S0016756809990574
Loydell, D. K., Jeppsson, L. 2006. Graptolites from the Lower and Upper Visby formations of NW Gotland. GFF 128, 2, 159-160. DOI:10.1080/11035890601282159
Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia. Geological Magazine 140, 2, 205-229. DOI:10.1017/S0016756802007264
Loydell, D. K., Kaljo, D., Männik, P. 1998. Integrated biostratigraphy of the lower Silurian of the Ohesaare core, Saaremaa, Estonia. Geological Magazine 135, 6, 769-783. DOI:10.1017/S0016756898001423
Paškevičius, J. 1979. Biostratigraphy and Graptolites of the Lithuanian Silurian. pp. 1-267. Mokslas.
Ulst, R. Ž. 1974. The early sequence of Pristiograpts in conterminous deposits of Wenlock and Ludlow of the Middle Pribaltic.Graptolites of the USSR , pp. 105-122. Nauka.
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304. Zinatne.
List of species
1. Cyrtograptus bohemicus Bouček, 1931 | Wenlock
2. Cyrtograptus carruthersi Lapworth, 1876 | Wenlock
3. Cyrtograptus centrifugus Bouček, 1931 | Silurian
4. Cyrtograptus egregius Sobolevskaya, 1997 | Adavere Stage
5. Cyrtograptus ellesae Gortani, 1923 | Wenlock
6. Cyrtograptus hamatus (Baily, 1862) | Wenlock
7. Cyrtograptus linnarssoni Lapworth, 1880 | Wenlock
8. Cyrtograptus lundgreni Tullberg, 1883 | Wenlock
9. Cyrtograptus metatheca | Silurian
10. Cyrtograptus murchisoni Carruthers, 1867 | Wenlock
11. Cyrtograptus perneri Bouček, 1933 | Wenlock
12. Cyrtograptus radians Törnquist, 1887 | Wenlock
13. Cyrtograptus rigidus Tullberg, 1883 | Wenlock
14. Cyrtograptus trilleri Eisel | Wenlock
15. Lapworthograptus grayae (Lapworth, 1876) | Silurian
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Hemichordata |
Class | Pterobranchia |
Subclass | Graptolithina |
Order | Graptoloidea |
Suborder | Axonophora |
Dichograptina | |
Glossograptina | |
Graptodendroidina | |
Family | Cryptograptidae |
Cyrtograptidae | |
Genus | Cyrtograptus |
Lapworthograptus | |
Family | Dicaulograptidae |
Glyptograptidae | |
Linograptidae | |
Genus | Corymborgaptus |