Trilobita - Phacopida - Homalonotidae
Parent taxon: Calymenina according to J. M. Adrain 2011
See also Harrington and Leanza 1957, Jell and Adrain 2002 and Whittington et al. 1997
Sister taxa: Bathycheilidae, Bavarillidae, Calymenidae, Pharostomatidae
Subtaxa: Arduennella Burmeisterella Colpocoryphinae Eohomalonotinae Homalonotinae Iberocoryphe Kerfornella Kerfornellinae Leiostegina Scabrella
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Devonian of Algeria (9 collections), Antarctica (4), Australia (13), Belgium (4), Bolivia (8), Brazil (12), Colombia (1), the Czech Republic (1), France (11), Germany (5), Ghana (1), Libya (3), Luxembourg (3), Morocco (7), New Zealand (7), Poland (4), South Africa (14), Spain (15), Turkey (1), Ukraine (1), United States (70: New York, Pennsylvania), Uruguay (1), Venezuela (1)
• Silurian to Devonian of Algeria (1), Argentina (1), Australia (1), Morocco (2), Spain (1)
• Silurian of Algeria (1), Argentina (10), Australia (2), Bolivia (1), Canada (3: Nova Scotia, Ontario), China (1), France (2), Jordan (4), Morocco (1), Paraguay (2), Peru (1), Poland (3), Saudi Arabia (3), Spain (4), the United Kingdom (5), United States (54: Indiana, Maryland, New York, Tennessee, West Virginia)
• Dobrotivian of the Czech Republic (5), France (14), Morocco (4), Portugal (11), Spain (19)
• Letna of the Czech Republic (1)
• Liben of the Czech Republic (1)
• Fennian of France (1)
• Klabava of the Czech Republic (2), France (2)
• Arenig of Argentina (2), Bolivia (1), France (3), Morocco (3), the United Kingdom (1)
• Ordovician to Silurian of South Africa (1)
• Ordovician of Algeria (1), Argentina (3), Australia (1), Bolivia (9), Canada (9: Quebec, Québec), China (10), the Czech Republic (10), Estonia (1), France (27), Iran (4), Kazakhstan (3), Latvia (1), Morocco (28), Norway (2), Paraguay (1), Poland (1), Portugal (5), Saudi Arabia (1), Spain (14), Sweden (5), Turkey (4), the United Kingdom (30), United States (5: Florida, Nevada, Ohio)
• Tremadoc of Argentina (1), China (1)
Total: 547 collections including 665 occurrences