†subfamily Flexicalymeninae Siveter 1977 (trilobite)

Trilobita - Phacopida - Calymenidae

Full reference: D. J. Siveter. 1977. The Middle Ordovician of the Oslo Region, Norway, 27. Trilobites of the Family Calymenidae. Norsk Geologisk Tidsskrift 56:335-396

Parent taxon: Calymenidae according to D. J. Siveter 1977

Sister taxa: Calymenesum, Calymeninae, Carmoninae, Gravicalymene, Linguocalymene, Liocalymene, Neseuretus, Nipponocalymene, Onnicalymene, Papillicalymene, Pharostomatinae, Platycalymene, Pradoella, Protocalymene, Reacalymene, Reedocalymene, Reedocalymeninae, Salterocoryphe, Spathacalymene, Tapinocalymene

Subtaxa: Flexicalymene Metacalymene Sthenarocalymene Thelecalymene

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Ecology: nektobenthic carnivore

Distribution:

• Devonian of Australia (2 collections)

• Silurian of Argentina (3), Australia (3), China (1), the Czech Republic (3), Ukraine (2), United States (3: New York)

• Uhaku of Norway (1)

• Ordovician to Silurian of Canada (1: New Brunswick)

• Ordovician of Australia (1), Canada (29: Newfoundland, Nunavut, Ontario, Quebec, Québec), China (2), the Czech Republic (6), Ireland (13), Morocco (5), Norway (38), Spain (1), Sweden (9), the United Kingdom (108), United States (559: Georgia, Illinois, Iowa, Indiana, Iowa, Kentucky, Maryland, Michigan, Minnesota, Missouri, Nevada, New York, Ohio, Pennsylvania and Virginia, Tennessee, Virginia), Venezuela (1)

Total: 791 collections including 809 occurrences

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