†family Eurychilinidae Ulrich and Bassler 1923 (ostracod)

Ostracoda - Beyrichiacea - Eurychilinidae

Parent taxon: Beyrichiacea according to G. Henningsmoen 1953

Sister taxa: Acronotellidae, Sigmoopsiidae, Tetradellidae, Uncertain, Zygobolbidae

Subtaxa: Euprimitiinae Eurychilininae Laccochilina Opikella

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Ecology: epifaunal

Distribution:

• Permian of Italy (1 collection)

• Silurian of the Czech Republic (1), Norway (2)

• Ordovician of Argentina (1), Canada (12: Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (5), Estonia (1), France (1), Latvia (1), Norway (9), Portugal (1), the Russian Federation (6), Sweden (33), United States (35: Alaska, British Columbia, Iowa, Michigan, Minnesota, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia)

• Llandeilo of Sweden (3)

• Whiterockian of United States (3: Nevada)

Total: 115 collections including 164 occurrences

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