Category
page 1Silurian Canada
Old Red Sandstone
assemblage of Devonian rocks in Great Britain, Ireland, Norway and northeastern North America, consisting of sedimentary rocks including reddish sandstone
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..