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. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki.
References based on distribution