Graptolithina

Monograptus jaekeli Perner, 1899

Selection of related publications
Paškevičius, J. 1979. Biostratigraphy and Graptolites of the Lithuanian Silurian.
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigraphy, fauna and conditions of formation of the Silurian rocks of the Central Baltic.
References based on distribution