Cephalopoda - Pseudorthocerida - Spyroceratidae
Parent taxon: Spyroceratinae according to C. Teichert et al. 1964
See also Sepkoski 2002
Sister taxa: Anastomoceras, Atahococeras, Bitaunioceras, Cancellspyroceras, Cryptorthoceras, Cyrtospyroceras, Cyrtothoracoceras, Diagoceras, Euloxoceras, Fusicoceras, Geisonoceroides, Gordonoceras, Lopingoceras, Palaeospyroceras, Palmeroceras, Petryoceras, Pseudocycloceras, Reticycloceras, Sceptrites, Shikhanoceras, Spyroceras, Suloceras, Tripteroceroides
Subtaxa: Adnatoceras alaskense
Ecology: fast-moving nektonic carnivore
Distribution:
• Carboniferous of the Russian Federation (1 collection), United States (1: Arkansas)
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.