Trilobita

Acadoparadoxides (Baltoparadoxides) Snajdr, 1986

Selection of related publications
Rushton, A. W. A., Weidner, T. 2007. The Middle Cambrian paradoxidid trilobite Hydrocephalus from Jämtland, central Sweden. Acta Geologica Polonica 57, 4, 391-401.
References based on distribution