Graptolithina

Torquigraptus Loydell, 1993

Selection of related publications
Loydell, D. K., Walasek, N. 2019. Two new species of graptolite from the Telychian (upper Llandovery, Silurian) of Kallholn, Dalarna, Sweden. GFF , 1-4. DOI:10.1080/11035897.2019.1686419
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
Ulst, R. Ž., Gailite, L. K., Springis, T. K. 1984. Lithostratigraphic subdivision of the subsurface Ordovician rocks of the Jelgeva Depression. Early Paleozoic stratigraphy of the Baltic. Eds: Männil, R. & Mens, K., pp. 63-76.
Paškevičius, J. 1979. Biostratigraphy and Graptolites of the Lithuanian Silurian.
Thorslund, P. 1948. On the Silurian beds above the Pentamerus limestone in Jemtland. Description of fossils. Sveriges Geologiska Undersökning 42, 3, 1-37.