Cephalopoda - Actinocerida - Armenoceratidae
Synonyms: Helenites Zhuravleva 1962, Tunguskoceras
Parent taxon: Armenoceratidae according to B. A. Stait 1988
See also Chen et al. 1981, Crick 1981, Flower 1957, Sepkoski 2002, Stait and Burrett 1984, Strand 1934 and Teichert et al. 1964
Sister taxa: Kailiceras, Megadiscosorus, Monocyrtoceras, Nybyoceras, Selkirkoceras, Stolbovoceras
Subtaxa: Armenoceras australe Armenoceras barnesi Armenoceras callaghani Armenoceras chediforme Armenoceras chicottense Armenoceras cygneum Armenoceras hearsti Armenoceras holtedahli Armenoceras lenticontractum Armenoceras michaudae Armenoceras nummularium Armenoceras raptor Armenoceras robsoni Armenoceras subconicum Armenoceras vesperale
Type: Armenoceras hearsti
Ecology: nektobenthic carnivore
Distribution:
• Triassic of Greece (1 collection)
• Silurian of Canada (24: Northwest Territories, Ontario, Quebec), China (2), Norway (2), the Russian Federation (14), the United Kingdom (5)
• Whiterockian of Thailand (1)
• Fennian of Malaysia (1)
• Dawan of Mongolia (1)
• Arenig of China (5)
• Ordovician to Silurian of United States (1: California)
• Ordovician of Australia (1), Canada (10: Manitoba, Northwest Territories, Nunavut), China (28), Malaysia (1), Norway (3), South Korea (1), United States (11: Illinois, Iowa, Wisconsin, Indiana, Minnesota, New Mexico, Ohio, Texas)
Total: 112 collections including 122 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.