Trilobita

Panarchaeogonus Öpik, 1937

Selection of related publications
Owens, R. M. 1978. The trilobite genera Panarchaeogonus Öpik, Isbergia Warburg and Cyamops gen. nov. from the Ordovician of Balto-Scandia and British Isles. Norsk Geologisk Tidsskrift 58, 199-219.
Öpik, A. 1937. Trilobiten aus Estland. Tartu Ülikooli Geoloogia Instituudi Toimetused 52, 1-163.
References based on distribution