Trilobita

Kettneraspis Prantl et Přibyl, 1949

Selection of related publications
Ramsköld, L. & Chatterton B. D. E. 1991. Revision and subdivision of the polyphyletic `Leonaspis´ (Trilobita). Transactions of the Royal Society of Edinburgh Earth Sciences 82, 4, 333-371. DOI:10.1017/S026359330000420X
Bruton, D. L. 1967. Silurian odontopleurid trilobites from Sweden, Estonia, and Latvia. Palaeontology 10, 2, 214-244.
References based on distribution