Strophomenata - Billingsellida - Gonambonitidae
Parent taxon: Clitambonitoidea according to M. A. Zuykov and L. Hints 2002
See also Bruton et al. 1984, Rubel 1963 and Williams et al. 2000
Sister taxa: Arctohedridae, Clitambonitidae
Subtaxa: Anchigonites Atelelasmoidea Estlandia Gonambonites Gonambonitinae Jaanussonites Kullervo Oslogonites Progonambonitinae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Uhaku of Estonia (1 collection)
• Aluoja of Estonia (3), the Russian Federation (1)
• Chazyan of United States (1: Alabama)
• Volkhov of the Russian Federation (10)
• Valaste of Estonia (2), Haiti (1), the Russian Federation (4)
• Arenig of China (1), the United Kingdom (2)
• Ordovician of Belgium (7), Canada (4: Newfoundland, Quebec), China (7), Estonia (27), Ireland (4), Latvia (1), Lithuania (1), Norway (5), the Russian Federation (55), Sweden (2), the United Kingdom (22), United States (1: Virginia)
Total: 162 collections including 179 occurrences