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