Alternative spelling: Subulitacea
Parent taxon: Murchisoniina according to P. J. Wagner 2023
See also Allison 1955, Bouchet et al. 2005, Knight et al. 1960, Nützel et al. 2000 and Ponder and Warén 1988
Sister taxa: Eotomarioidea, Loxonematoidea, Murchisonioidea, Straparollinoidea, Trochonematoidea
Subtaxa: Ischnoptygmatidae Subulitidae
Ecology: slow-moving epifaunal detritivore
Distribution:
• Permian of China (1 collection), the Russian Federation (2), United States (8: Nevada, New Mexico, Texas)
• Carboniferous to Permian of United States (2: California)
• Carboniferous of United States (9: Arizona, California)
• Givetian of France (3)
• Devonian of Australia (4), Canada (1: Northwest Territories), Czechia (3), Germany (1), Kazakhstan (1), Poland (3), United States (8: Alaska, New York, Ohio)
• Silurian of Canada (2: Ontario), China (1), Czechia (3), Greenland (1), Norway (2), Sweden (4), Ukraine (1), United States (10: Iowa, Ohio, Virginia, Wisconsin)
• Uhaku of Estonia (1)
• Whiterockian of Canada (1: Newfoundland and Labrador), United States (2: Nevada)
• Chazyan of United States (5: New York)
• Ordovician of Canada (65: Manitoba, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (1), Estonia (21), Germany (1), Greenland (2), Malaysia (3), North Korea (1), Norway (2), Sweden (1), the United Kingdom (1), United States (91: Alaska, California, Georgia, Illinois, Iowa, Kentucky, Minnesota, Missouri, Nevada, New Mexico, New York, Ohio, Tennessee, Vermont, Virginia, Wisconsin)
Total: 268 collections including 499 occurrences