Cephalopoda - Actinocerida - Armenoceratidae
Parent taxon: Armenoceratidae according to R. E. Crick 1981
See also Evans 2005, Flower 1955, Flower 1957, Strand 1934, Sweet 1958 and Teichert et al. 1964
Sister taxa: Armenoceras, Kailiceras, Megadiscosorus, Monocyrtoceras, Selkirkoceras, Stolbovoceras
Subtaxa: Nybyoceras balticum Nybyoceras bekkeri Nybyoceras cryptum Nybyoceras holmi Nybyoceras intermedium Nybyoceras montoyense Nybyoceras troedssoni Nybyoceras ulrichi
Type: Nybyoceras bekkeri
Ecology: nektobenthic carnivore
Distribution:
• Chazyan of United States (3: New York, Vermont collections)
• Arenig of China (1)
• Ordovician of China (3), Estonia (1), Norway (2), United States (1: Texas)
Total: 11 collections including 15 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.