Strophomenata - Billingsellida - Clitambonitidae
Parent taxon: Clitambonitoidea according to M. Liljeroth et al. 2017
See also Alikhova 1953, Mitchell 1977, Opik 1934, Raymond 1911, Tinn 1998, Williams et al. 2000 and Wright 1964
Sister taxa: Arctohedridae, Gonambonitidae
Subtaxa: Apomatella Atelelasma Atelelasmatinae Clinambon Clitambonites Clitambonitinae Fistulogonites Hemipronites Ilmarinia Lacunarites Pahlenella Palaeoneumania Starnikoviella Vellamo
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician to Silurian of Canada (3: Québec collections)
• Ordovician of Australia (1), Belarus (4), Belgium (1), Canada (23: Newfoundland, Ontario, Quebec, Québec), China (8), Estonia (136), Iran (1), Ireland (3), Latvia (2), Lithuania (5), Norway (5), Poland (1), the Russian Federation (157), Sweden (7), the United Kingdom (11), United States (21: Illinois, Iowa, Minnesota, Missouri, Oklahoma, Tennessee, Virginia)
• Chazy of United States (6: New York)
• Llandeilo of Mongolia (1)
• Whiterockian of United States (4: Nevada)
• Dawan of China (1)
• Arenig of Argentina (1)
Total: 402 collections including 487 occurrences