GLINSKIY, Vadim. Phylogenetic relationships of psammosteid heterostracans (Pteraspidiformes), Devonian jawless vertebrates. Biological Communications, [S. l.], v. 62, n. 4, p. 219–243, 2018. DOI: 10.21638/11701/spbu03.2017.402. Disponível em: https://biocomm.spbu.ru/article/view/648. Acesso em: 1 dec. 2024.