Alternative combinations: Actinoceras nummularium, Orthoceras nummularius
Full reference: J. C. de Sowerby and R. I. Murchison. 1839. The Silurian System. Part 2. Organic Remains. The Silurian System 2:579-768
Belongs to Armenoceras according to C. H. Holland 1998
See also de Sowerby and Murchison 1839 and Foord 1888
Sister taxa: Armenoceras australe, Armenoceras barnesi, Armenoceras callaghani, Armenoceras chediforme, Armenoceras chicottense, Armenoceras cygneum, Armenoceras hearsti, Armenoceras holtedahli, Armenoceras lenticontractum, Armenoceras michaudae, Armenoceras raptor, Armenoceras robsoni, Armenoceras subconicum, Armenoceras vesperale
Type specimen: BMNH C3501, a shell
Ecology: nektobenthic carnivore
Distribution:
• Silurian of the United Kingdom (2 collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.