Parent taxon: Endoceratoidea according to A. Pohle et al. 2022
See also Crick 1981, Evans 1993, Evans 1994, Evans 2011, Kröger 2012, Kröger 2013, Kröger and Evans 2011 and Teichert et al. 1964
Sister taxa: Bisonocerida, Colpoceras, Conoceras, Diploceras, Hemiceratites, Intejocerida, Pradoceras, Sidemina
Subtaxa: Baltoceras pusillum Botryceratidae Choreanoceroides Cyrtendoceratidae Endoceratidae Eocameroceras Hoyoceras Pronajaceras Proterocameroceratidae Thylacoceratidae Trinitoceras Yehlioceras Yorkoceratidae
Ecology: nektobenthic carnivore
Distribution:
• Carboniferous of United States (1: Iowa collection)
• Silurian of Malaysia (1)
• Dobrotivian of Spain (3)
• Aluoja of Estonia (1)
• Chazyan of Canada (4: Quebec), United States (12: New York, Vermont)
• Whiterockian of United States (7: California, Minnesota, Utah)
• Marmor of United States (1: New York)
• Fennian of Malaysia (1)
• Volkhov of Estonia (2), the Russian Federation (1)
• Langevoja of Sweden (1)
• Hunderum of Sweden (1)
• Arenig of Argentina (1), Bolivia (6), China (48), France (1), Sweden (3), United States (2: Oklahoma)
• Dawan of China (13)
• Ordovician of Argentina (2), Australia (2), Bolivia (1), Canada (60: Manitoba, Mantiboa, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Saskatchewan), China (50), the Czech Republic (1), Estonia (15), France (2), Greenland (1), Iran (1), Ireland (2), Latvia (2), Lithuania (4), Malaysia (1), Morocco (1), Norway (22), the Russian Federation (5), South Korea (7), Spain (3), Svalbard and Jan Mayen (1), Sweden (17), the United Kingdom (30), United States (126: Colorado, Illinois, Iowa, Wisconsin, Indiana, Ohio, Iowa, Iowa, Minnesota, Kentucky, Michigan, Minnesota, Missouri, Nevada, New York, Ohio, Oklahoma, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Wyoming)
• Canadian of United States (6: Alaska, Maryland)
• Tremadoc of Argentina (1), China (12)
• Ibexian of Thailand (3)
• Cambrian of China (1)
Total: 489 collections including 721 occurrences