Homalonotus
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:
;Ordovician
France, and the United Kingdom
;Silurian
Canada, Poland, Sweden, the United Kingdom, and the United States
;Devonian
Algeria, Bolivia, Brazil, Colombia, France, Morocco, New Zealand, Poland, and Ukraine