Alternative spelling: Thlipsuracea
Parent taxon: Metacopina according to A. H. Yuan and S. Crasquin-Soleau 2007
See also Benson et al. 1961, Liebau 2005 and Schallreuter and Hinz-Schallreuter 1999
Sister taxa: Balticellidae, Healdioidea, Quasillitacea, Steusloffinidae
Subtaxa: Quasillitidae Sulcraphiolidae Thlipsuridae
Type: Thlipsuridae
Ecology: epifaunal detritivore-grazer
Distribution:
• Permian of Australia (59 collections), Canada (2: British Columbia), China (1), Italy (1), the Russian Federation (3), Türkiye (3)
• Carboniferous of Canada (1: Yukon), United States (35: Arkansas, California, Indiana, Montana, Ohio, Tennessee, Virginia)
• Couvinien of Australia (1)
• Devonian of Argentina (1), France (3), Germany (2), Morocco (3), the Russian Federation (4), United States (25: Michigan, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Virginia, West Virginia)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Lithuania (1), the Russian Federation (1), United States (1: Oklahoma)
• Ordovician of China (2)
Total: 150 collections including 276 occurrences