Strophomenata - Strophomenida - Leptellinidae
Parent taxon: Plectambonitoidea according to M. Liljeroth et al. 2017
See also Bassett and Cocks 1974, Cocks 2010, Jakobsen et al. 2014, Jin and Chatterton 1997, Mitchell 1977, Popov et al. 2000, Temple 1987, Williams et al. 2000, Zhan and Jin 2005 and Zhan et al. 2008
Sister taxa: Aegiromenidae, Allwynellidae, Alwynellidae, Bimuriidae, Christianiidae, Grorudiidae, Hesperomenidae, Leptestiidae, Paucicostella, Plectambonitidae, Sowerbyellidae, Strophodontidae, Syndielasmatidae, Taffiidae, Tafflidae, Xenambonitidae, Anoptambonitidae
Subtaxa: Anchoramena Leptellininae Leptelloidinae Leptestiininae Palaeostrophomeninae Tesikella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Canada (8: British Columbia, Northwest Territories collections), China (10), United States (2: Iowa)
• Uhaku of Estonia (1), Norway (1), the Russian Federation (2), Sweden (3)
• Dobrotivian of the Czech Republic (4)
• Liben of the Czech Republic (1)
• Whiterockian of United States (16: Nevada)
• Chazyan of United States (6: Alabama, Tennessee)
• Arenig of Argentina (1), China (7)
• Dawan of China (1)
• Ordovician of Argentina (5), Australia (33), Canada (1: British Columbia), China (36), the Czech Republic (1), Estonia (4), Iran (5), Ireland (4), Kazakhstan (77), Kyrgyzstan (2), Latvia (1), Lithuania (2), Mongolia (1), Myanmar (14), Norway (6), the Russian Federation (26), Sweden (6), the United Kingdom (36), United States (36: Alaska, California, Nevada, Pennsylvania, Tennessee, Virginia), Venezuela (1), Vietnam (1)
• Ibexian of United States (1: Nevada)
Total: 362 collections including 466 occurrences