Rhynchonellata - Athyridida - Meristidae
Parent taxon: Meristidae according to A. Williams et al. 2002
See also Jin and Chatterton 1997
Sister taxa: Camarophorellinae, Rowleyellinae
Subtaxa: Amerista Aulidospira Camarium Dicamara Dicamaropsis Merista Tyrganiella
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Carboniferous of Australia (1 collection), Canada (1: Nunavut), United States (4: Texas)
• Devonian of Afghanistan (1), Austria (1), Belarus (1), Belgium (4), China (2), the Czech Republic (11), Germany (3), Italy (2), Morocco (3), Myanmar (2), Poland (1), the Russian Federation (6), Ukraine (3), United States (3: Maryland, West Virginia, Maryland, Pennsylvania)
• Whitwellian of Canada (3: Northwest Territories)
• Niagaran of Canada (1: Québec)
• Silurian of Canada (29: Northwest Territories, Nunavut, Ontario, Québec, Yukon Territory), the Czech Republic (1), Italy (1), Mexico (9), Mongolia (1), the Russian Federation (6), Spain (1), United States (37: Arkansas, California, Illinois, Indiana, Iowa, Missouri, Oklahoma, Tennessee, Wisconsin), Venezuela (1)
• Ordovician of the United Kingdom (1)
Total: 140 collections including 147 occurrences