Graptolithina

Pseudamplexograptus Mitchell, 1987

Selection of related publications
Maletz, J., Ahlberg, P., Lundberg, F. 2020. Ordovician graptolite biostratigraphy of the Röstånga-2 drill core (Scania, southern Sweden). GFF 142, 3, 206-222. DOI:10.1080/11035897.2020.1739743
Goldman, D., Nõlvak, J., Maletz, J. 2015. Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western Latvia. GFF 137, 3, 197-211. DOI:10.1080/11035897.2015.1021375
Maletz, J. 1995. The Middle Ordovician (Llanvirn) graptolite succession of the Albjära core (Scania, Sweden) and its implication for a revised biozonation. Zeitschrift für Geologische Wissenschaften 23, 3, 249-259.
Tzaj, D. T. 1976. Graptolity srednego ordovika Kazahstana.
Männil, Ralf 1976. Distribution of graptoloids in the Ordovician carbonate rocks of the East Baltic area. Graptolites and Stratigraphy, pp. 105-118.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Eichwald, E. 1855. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. Bulletin de la Société Imperiale des Naturalistes de Moscou 28, 4, 433-466.