perekond
Spirograptus Gürich, 1908
Valik taksonit käsitlevast teaduskirjandusest
Maletz, J., Ahlberg, P., Suyarkova, A., Loydell, D. K. 2014. Silurian graptolite biostratigraphy of the Röstånga-1 drill core, Scania – a standard for southern Scandinavia. GFF 136, 1, 175-178. DOI:10.1080/11035897.2013.865665
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., 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
Ulst, R. Ž., Gailite, L. K., Springis, T. K. 1984. Lithostratigraphic subdivision of the subsurface Ordovician rocks of the Jelgeva Depression. Stratigrafiâ drevnepaleozojskih otloženij Pribaltiki, pp. 63-76. Eesti NSV Teaduste Akadeemia.
Paškevičius, J. 1979. Biostratigraphy and Graptolites of the Lithuanian Silurian. pp. 1-267. Mokslas.
Thorslund, P. 1948. On the Silurian beds above the Pentamerus limestone in Jemtland. Description of fossils. Sveriges Geologiska Undersökning 42, 3, 1-37.
Leitud liigid
1. Spirograptus guerichi Loydell, Štorch et Melchin, 1993 | Llandovery
2. Spirograptus spiralis (Geinitz, 1842) | Silur
3. Spirograptus turriculatus (Barrande, 1850) | Llandovery
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Klassifikatsioon