Ostracoda - Palaeocopida - Oepikellidae
Alternative spelling: Oepikiidae
Full reference: V. Jaanusson. 1957. Middle Ordovician ostracodes of central and southern Sweden. Bulletin of Geology 37:176-442
Parent taxon: Eurychilinacea according to K. Lajblová and P. Kraft 2018
See also Benson et al. 1961, Liebau 2005, Mohibullah et al. 2013, Schallreuter et al. 2006 and Schallreuter and Hinz-Schallreuter 2011
Sister taxa: Bolbinidae, Eurychilinidae, Hollinidae, Piretellidae
Subtaxa: Ampletochilininae Duringia Oepikellinae Oepikium Opikatia
Ecology: epifaunal suspension feeder
Distribution:
• Silurian of the Russian Federation (1 collection)
• Uhaku of Sweden (1)
• Whiterockian of United States (3: Nevada)
• Chazyan of Canada (3: Northwest Territories)
• Ordovician of Canada (16: Northwest Territories, Nunavut, Quebec), Estonia (1), Latvia (1), Norway (6), the Russian Federation (5), Sweden (7), United States (5: Iowa, Minnesota, Nevada)
Total: 49 collections including 67 occurrences