Cephalopoda - Tarphycerida - Estonioceratidae
Full reference: A. Hyatt. 1894. Phylogeny of an acquired characteristic. Proceedings of the American Philosophical Society 32(143):349-647
Parent taxon: Estonioceratidae according to D.H. Evans 2011
See also Crick 1981 and Ulrich et al. 1942
Sister taxa: Aethoceras, Alaskoceras, Aphetoceras, Clytoceras, Eichwaldoceras, Estonioceras, Pycnoceras, Shumardoceras, Tragoceras
Subtaxa: Deltoceras capax Deltoceras planum Deltoceras vaningeni
Type: Deltoceras planum
Ecology: fast-moving nektobenthic carnivore
Distribution:
• Chazyan of United States (2: New York collections)
• Ordovician of Canada (1: Newfoundland and Labrador), the United Kingdom (1)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.