Ostracoda - Podocopida - Healdiidae
Full reference: B. H. Harlton. 1933. Micropaleontology of the Pennsylvanian Johns Valley shale of the Ouachita Mountains, Oklahoma, and its relationship to the Mississippian Caney shale. Journal of Paleontology 7(1):3-29
Parent taxon: Healdioidea according to M. B. Forel 2022
See also Abushik and Evdokimova 2016, Forel 2017, Forel 2017, Liebau 2005, Sohn 1987 and Yuan and Crasquin-Soleau 2007
Sister taxa: Bufinidae, Saipanettidae
Subtaxa: Cribroconcha Cytherellina Healdia Healdianella Healdioides Healdiopsis Hungarella Incisurella Ledahia Marginohealdia Marginopsis Morphohealdia Nannohealdia Ogmoconcha Ogmoconchella Phreatura Ponderodictya Pseudohealdia Reversocypris Robsoniella Seminolites Timorhealdia Torohealdia Venula Waylandella
Type: Healdia
Ecology: epifaunal detritivore-grazer
Distribution:
• Quaternary of the United Kingdom (1 collection)
• Jurassic of Argentina (1), France (12), Germany (31), Hungary (3), Poland (1), Portugal (13), Spain (22), Switzerland (3), the United Kingdom (20)
• Triassic of Argentina (1), Australia (1), Austria (29), Canada (10: Yukon), China (19), Hungary (7), Iran (4), Israel (2), Italy (2), Pakistan (1), Romania (11), Türkiye (4), United States (6: Alaska)
• Permian of Australia (59), Azerbaijan (9), Canada (2: British Columbia), China (49), Hungary (1), Iran (5), Italy (4), Lithuania (12), Oman (1), the Russian Federation (14), Svalbard and Jan Mayen (1), the United Kingdom (1), United States (8: Kansas, Texas), Venezuela (1)
• Carboniferous of Canada (1: Yukon), China (3), Spain (1), Ukraine (3), the United Kingdom (10), United States (94: Arkansas, Indiana, Kansas, Kentucky, Maryland, Missouri, Montana, New Mexico, Oklahoma, Tennessee, Texas, Wyoming)
• Devonian of Canada (2: Northern Territories, Ontario), China (1), Czechia (1), France (3), Morocco (3), Poland (18), the Russian Federation (4), Ukraine (3), United States (25: Illinois, Michigan, Nevada, New York, Ohio, Pennsylvania, Virginia, West Virginia)
• Silurian of Australia (1), Estonia (1), Germany (3), Lithuania (2), the Russian Federation (4), Ukraine (1), the United Kingdom (17), United States (1: Oklahoma)
• Ordovician of Kazakhstan (1)
Total: 574 collections including 1128 occurrences