RADZEVIČIUS, SIGITAS, Department of Geology and Mineralogy, Vilnius University, M. K. Čiurlionio 21/27 Vilnius, 03101, Lithuania.

• Zootaxa Vol. 4568 No. 3: 21 Mar. 2019 - Article
  Evolutionary significance of the retiolitine Gothograptus (Graptolithina) with four new species from the Silurian of the East European Platform (Baltica), Poland and Lithuania 
  Abstract