Artiopoda - Trinucleida - Raphiophoridae
Parent taxon: Raphiophoridae according to Z. Q. Zhou and Z. Y. Zhou 2019
See also Fortey 1975
Sister taxa: Ampyxina, Ellsaspis, Endymioniinae, Kanlingia, Lonchodomas, Malinaspis, Malongullia, Nambeetella, Nanshanaspis, Pseudampyxina, Raphioampyx, Raymondella, Salteria, Sinampyxina
Subtaxa: Ampyx Ampyxella Ampyxinella Ampyxoides Bulbaspis Cnemidopyge Damghanampyx Edmundsonia Globampyx Mendolaspis Miaopopsis Raphiophorus Rhombampyx
Ecology: fast-moving low-level epifaunal suspension feeder
Distribution:
• Silurian of Algeria (1 collection), Austria (1), Czechia (5), Italy (2), Morocco (2), the United Kingdom (4), United States (1: Arkansas)
• Uhaku of Sweden (1)
• Dobrotivian of Czechia (1)
• Chazyan of Canada (3: Newfoundland and Labrador, Northwest Territories)
• Whiterockian of Canada (10: Newfoundland and Labrador), Norway (3), United States (1: Nevada)
• Langevoja of Sweden (7)
• Hunderum of Sweden (2)
• Valaste of Sweden (3)
• Billingen of Estonia (1), Norway (1), the Russian Federation (4), Sweden (6)
• Arenigian of Argentina (1), China (9)
• Arenig of Argentina (8), Bolivia (1), Canada (3: Newfoundland and Labrador), China (6), France (2), Morocco (1), Norway (3), Sweden (5), the United Kingdom (5), United States (3: Nevada)
• Klabava of France (1)
• Ordovician of Argentina (12), Australia (7), Canada (10: British Columbia, Newfoundland and Labrador, Northwest Territories, Northwest Terrorities, Quebec, Yukon), China (71), Colombia (1), Czechia (1), France (4), Iran (4), Ireland (18), Kazakhstan (4), Latvia (1), Morocco (12), Norway (15), Poland (1), the Russian Federation (5), Sweden (36), Türkiye (1), the United Kingdom (40), United States (34: British Columbia, California, Maine, Nevada, Tennessee, Virginia)
• Ibexian of United States (2: California)
Total: 386 collections including 414 occurrences