Graptolithina

Formosograptus Bouček, Mihajlović et Veselinović, 1976

Selection of related publications
Urbanek, A. 1997. Late Ludfordian and early Přidoli monograptids from the Polish Lowland. Palaeontologia Polonica 56, 87-231.
Paškevičius, J. 1979. Biostratigraphy and Graptolites of the Lithuanian Silurian.
Krandijevsky, V. S. 1968. Silurian graptolites of the Volyno-Podolia. Paleontology and Stratigraphy of the Lower Paleozoic of Volyn-Podola, pp. 26-62.
References based on distribution