Cephalopoda - Oncocerida - Valcouroceratidae
Parent taxon: Oncocerida according to B. Kröger and M. Aubrechtová 2019
See also Crick 1981, Frey 1995, Stait 1982, Sweet 1958 and Teichert et al. 1964
Sister taxa: Acleistoceratidae, Agrioceras, Aktjuboceratidae, Alloceras, Almaloceras, Anonymoceras, Anthomorpha, Antonoceras, Aphyctoceras, Apioceras, Archiacoceratidae, Atomoceras, Balashovia, Barskoceras, Brevicoceratidae, Corbuloceras, Corysoceras, Cyrthocerataceae, Cyrtoceras, Devonocheilidae, Diestoceratidae, Doleroceras, Eocyrtoceras, Eudoceras, Gomphoceras, Graciloceratidae, Guangyuanoceras, Guangyuanoceroides, Hemiphragmoceratidae, Iowoceras, Jovellaniidae, Karoceratidae, Kophinoceras, Lychnoceras, Megaloceras, Mimolychnoceras, Mnemoceras, Nelimenia, Nothoceratidae, Oligoceras, Oncoceratidae, Oonoceratidae, Oratoceras, Pachtoceras, Polyelasmoceratidae, Poterioceratidae, Pseudobrevicoceras, Pyramidoceras, Ramussenoceras, Rutoceratoidea, Spanioceras, Sycoceras, Torquatoceras, Trigonodema, Trimeroceratidae, Tripleuroceratidae, Wetherbyoceras, Xainzanoceras
Subtaxa: Actinomorpha Augustoceras Fayettoceras Kindleoceras Manitoulinoceras Minganoceras Staufferoceras Valcouroceras Valkyrioceras
Ecology: fast-moving nektobenthic carnivore
Distribution:
• Chazyan of United States (8: New York, Vermont collections)
• Marmor of United States (1: New York)
• Ordovician of Australia (2), Canada (2: Ontario), Norway (1), Sweden (1), United States (50: Georgia, Illinois, Iowa, Wisconsin, Indiana, Kentucky, Minnesota, New York, Ohio, Tennessee)
Total: 65 collections including 105 occurrences