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
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Classification
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 | |
trilleri | |
Genus | Lapworthograptus |
References based on distribution
- Loydell et al., 2010 Kolka 54 borehole 489.5 - Silurian
- Loydell et al., 2010 Kolka 54 borehole 567.1 - Adavere Stage
- Loydell et al., 2010 Kolka 54 borehole 567.1 - 567.1 Jaani Stage
- Loydell et al., 2010 Kolka 54 borehole 559 - 559.3 Jaani Stage
- Loydell et al., 2010 Kolka 54 borehole Jaagarahu Stage
- Loydell et al., 2010 Kolka 54 borehole 519.8 - 519.85 Jaagarahu Stage
- Loydell et al., 1998a Ohesaare borehole 339.22 - 339.23 Jaani Stage
- Loydell et al., 1998a Ohesaare borehole 368.95 - 369 Adavere Stage
- Paškevičius, 1979 Paroveja 9 borehole 585.7 - 621.4 Wenlock
- Paškevičius, 1979 Stonishkiai 1 borehole 1823 - 1827 Wenlock
- Ulst, 1974a Talsi 55 borehole Wenlock
- Gailite et al., 1967 823 - 856 Wenlock
- Gailite et al., 1967 847 - Wenlock
- Paškevičius, 1979 Wenlock
- Paškevičius, 1979 Wenlock
- Paškevičius, 1979 Wenlock
- Paškevičius, 1979 Wenlock
- Paškevičius, 1979 Wenlock
- Paškevičius, 1979 Wenlock
- Loydell et al., 2003 Aizpute 41 borehole 929.81 - 929.81 Sheinwoodian
- Loydell et al., 2003 Aizpute 41 borehole Sheinwoodian
- Loydell et al., 2003 Aizpute 41 borehole 920 - 920 Sheinwoodian
- Radzevičius, 2013 Sheinwoodian
- Männik et al., 2015a Grötlingbo 1 borehole, Gotland Jaani Stage
- Loydell & Jeppsson, 2006 Ireviken 3, Gotland
- Štorch & Manda, 2019 Kosov Quarry Section Homerian