Cephalopoda - Ellesmerocerida - Protocycloceratidae
Parent taxon: Protocycloceratidae according to D.H. Evans 2011
See also Crick 1981, Flower 1964, Hook and Flower 1977 and Teichert et al. 1964
Sister taxa: Bakeroceras, Catoraphiceras, Catoraphinoceras, Diastoloceras, Endocycloceras, Kyminoceras, Notocycloceras, Protocycloceras
Subtaxa: Cyptendoceras floridaense Cyptendoceras kirki Cyptendoceras magnus Cyptendoceras rhythmicum Cyptendoceras richardsoni Cyptendoceras ruedemanni Cyptendoceras whitfieldi
Type: Cyptendoceras ruedemanni
Ecology: nektobenthic carnivore
Distribution:
• Arenig of Argentina (1 collection), Bolivia (1)
• Ordovician of the United Kingdom (1), United States (8: Minnesota, Missouri, Nevada, New Mexico, Texas, Vermont)
• Tremadoc of Argentina (1)
Total: 12 collections including 14 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.