†subfamily Piretellinae Opik 1937 (ostracod)

Ostracoda - Hollinocopida - Tetradellidae

Parent taxon: Tetradellidae according to G. Henningsmoen 1953

Sister taxa: Bassleratiinae, Bellornatia, Fidelitella, Foramenella, Hippula, Kiesowia, Ogmoopsis, Perspicillinae, Raymondatia, Reuentalina, Sigmoopsinae, Tetradella, Tetradellinae, Ushkarella, Vittella

Subtaxa: Bromidella Opikium Piretella Piretia

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Type: Piretella

Ecology: epifaunal

Distribution:

• Chazyan of Canada (1: Northwest Territories collection)

• Ordovician of Latvia (2), Norway (2), Sweden (10), United States (13: Iowa, Minnesota, Oklahoma)

Total: 28 collections including 36 occurrences

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