Cephalopoda - Endocerida - Endoceratidae
Full reference: H. W. Shimer and A. W. Grabau. 1910. North American Index Fossils, invertebrates € New York 2:1-909
Parent taxon: Endoceratidae according to T. Strand 1934
Sister taxa: Allocotoceras, Cameroceras, Changkiuoceras, Chisiloceras, Dideroceras, Endoceras, Foerstellites, Hemipiloceras, Ignoceras, Kailuanoceras, Kaipingoceras, Kiotoceras, Kotoceras, Kutorgoceras, Lamottoceras, Linchengoceras, Liskeardia, Najaceras, Nanno, Neokaipingoceras, Palaeocyclendoceras, Paleocyclendoceras, Paravaginoceras, Protocyclendoceras, Suecoceras, Tasmanoceras, Triendoceras, Trifurcatoceras, Vaginoceras, Vaningenoceras, Ventrolobendoceras
Subtaxa: Cyclendoceras annulatum Cyclendoceras clarki Cyclendoceras dubium Cyclendoceras norvegicum
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of Canada (20: Manitoba, Northwest Territories, Nunavut, Quebec collections), Norway (8), South Korea (1), United States (12: Colorado, Illinois, Iowa, Wisconsin, Iowa, Minnesota, South Dakota, Wyoming)
Total: 41 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.