Alternative combination: Orthocera annulata
Full reference: J. Sowerby. 1818. No. XXX in the mineral conchology of Great Britain; or colored figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the Earth. The mineral conchology of Great Britain 3:1-194
Belongs to Dawsonoceras according to B. Kröger 2013
See also Sowerby 1816
Sister taxa: Dawsonoceras barrandei, Dawsonoceras fenestratum, Dawsonoceras fimbriatum, Dawsonoceras gregarium, Dawsonoceras hyatti, Dawsonoceras stumburi
Ecology: nektonic carnivore
Distribution:
• Niagaran of United States (1: Indiana collection)
• Silurian of Lithuania (5), Sweden (5), the United Kingdom (1), United States (29: New York)
Total: 41 collections including 42 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.