Trilobita - Proetida - Scharyiidae
Parent taxon: Proetoidea according to J. C. Lamsdell and P. A. Selden 2015
See also Adrain 2011, Jell and Adrain 2002 and Owens and Fortey 2009
Sister taxa: Phillipsiidae, Proetidae, Rorringtoniidae, Tropidocoryphidae
Subtaxa: Lasarchopyge Niuchangella Panarchaegonus Scharyiinae
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Daleje of the Czech Republic (1 collection)
• Devonian of Australia (1), the Czech Republic (11), Germany (2), Morocco (2), Poland (1), Uzbekistan (5)
• Silurian of Algeria (1), Australia (4), Canada (2: Northwest Territories), China (1), the Czech Republic (15), France (1), Greenland (1), Morocco (1), the United Kingdom (3), United States (2: Alaska, Wisconsin)
• Ordovician to Silurian of the United Kingdom (1)
• Ordovician of Argentina (7), Estonia (1), Ireland (1), Norway (4), the Russian Federation (1), Spain (3), Sweden (10), the United Kingdom (7)
• Arenigian of China (2)
Total: 91 collections including 97 occurrences