Agnatha

Tesseraspis Wills, 1935

Selection of related publications
Novitskaya L. I. 2004. Subclass Heterostraci. Agnathans and Early Fishes, pp. 69-207.
Karatajūtė-Talimaa, V. N. 1983. Early Devonian heterostracans of Severnaya Zemlya and their importance for correlations. Problemy sovremennoj paleoichtiologii, pp. 22-28.
References based on distribution