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Temporal range: Late Ordovician-Middle Devonian
~460–383 Ma
Homalonotus sp.
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Suborder: Calymenina
Family: Homalonotidae
Genus: Homalonotus
König, 1825, non Homalonotus Agassiz, 1846 = Homalinotus Schoenherr 1826, a beetle of uncertain affiliation[1]
  • H. armatus
  • H. dekayi
  • H. delphinocephalus
  • H. expansus
  • H. roemeri

Homalonotus is an extinct genus of trilobites in the order Phacopida. It contains several species, including H. armatus and H. roemeri.


Fossils of Homalonotus have been found in:[2]


France, and the United Kingdom


Canada (Nova Scotia), Poland, the United Kingdom, and the United States (New York)


Algeria, Bolivia, Brazil, Colombia (Floresta Formation, Altiplano Cundiboyacense), France, Morocco, New Zealand, Poland, and Ukraine


  1. ^ Christopher Taylor. "Coleoptera". Variety of Life. Retrieved 2012-03-23. 
  2. ^ Homalonotus at Fossilworks.org

Further reading[edit]

  • 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.

External links[edit]