Homalonotus is an extinct genus of trilobites in the order Phacopida. It contains several species, including H. armatus and H. roemeri. It is closely related to other trilobites such as Arduennella and Dipleura..
Distribution Fossils of Homalonotus have been found in:Homalonotus at Fossilworks.org
Ordovician France, and the United Kingdom
Silurian Canada (Nova Scotia), Poland, Sweden (Gotland, Västergötland), the United Kingdom, and the United States (New York)
Devonian Algeria, Bolivia, Brazil, Uruguay, Colombia (Floresta Formation, Altiplano Cundiboyacense), France, Morocco, New Zealand, Poland, and Ukraine
References
Further reading
Cooper, Michael R. A Revision of the Devonian Trilobita from the Bokkeveld Group of South Africa. Cape Town: South African Museum, 1982. Salter, John William; Sedgwick, Adam; and Morris, John. A Catalogue of the Collection of Cambrian and Silurian Fossils Contained in the Geolological Museum of the University of Cambridge. Cambridge: University Press, 2010.