Rhynchonellata - Athyridida - Meristellidae
Parent taxon: Meristelloidea according to L. Hints and D. A. T. Harper 2015
See also Bassett and Cocks 1974, Boucot and Johnson 1964, Boucot et al. 2008, Isaacson et al. 1976, Jin and Chatterton 1997, Mitchell 1977, Musteikis and Modzalevskaya 2002, Popov et al. 2002 and Williams et al. 2002
Sister taxa: Kellerella, Meristidae, Triathyrididae
Subtaxa: Hindellinae Hyattidininae Meristellinae Nikolaispira Whitfieldellinae
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Givetian of United States (1: Missouri collection)
• Devonian of Argentina (1), Australia (3), Bolivia (11), Brazil (3), Canada (29: British Columbia, Manitoba, New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Yukon), Colombia (15), the Czech Republic (4), France (3), Germany (1), Morocco (1), the Russian Federation (1), South Africa (3), Spain (1), Ukraine (1), United States (190: Alaska, California, Colorado, Indiana, Iowa, Kentucky, Maryland, Michigan, Nevada, New York, Oklahoma, Tennessee, Virginia, West Virginia, Maryland, Pennsylvania), Venezuela (4), Vietnam (1)
• Whitwellian of Canada (3: Northwest Territories)
• Jaani of Estonia (11), Lithuania (3)
• Niagaran of Canada (2: Québec), United States (2: New York, Ohio)
• Silurian to Devonian of Algeria (1), Australia (1), United States (1: Oklahoma)
• Silurian of Argentina (3), Australia (2), Canada (89: Anticosti, Manitoba, New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Québec, Yukon), China (15), the Czech Republic (11), Estonia (22), Lithuania (18), Mexico (8), Mongolia (1), Norway (10), Peru (1), the Russian Federation (8), Spain (1), Sweden (16), Ukraine (4), the United Kingdom (86), United States (186: Alabama, Alaska, Arkansas, California, Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Michigan and Ohio, Missouri, Nevada, New York, Ohio, Oklahoma, Tennessee, West Virginia, Wisconsin), Venezuela (3)
• Ordovician to Silurian of Canada (5: Québec)
• Ordovician of Canada (41: Quebec, Québec), China (29), the Czech Republic (5), Estonia (7), Iran (1), Ireland (1), Kazakhstan (7), Latvia (27), Lithuania (1), Myanmar (1), New Zealand (1), Norway (24), Paraguay (1), Sweden (18), the United Kingdom (21), United States (6: Alaska, Illinois, Missouri, Oklahoma)
Total: 977 collections including 1142 occurrences