Cephalopoda - Nautilida - Trigonoceratidae
Full reference: A. Hyatt. 1893. Carboniferous cephalopods, second paper. Annual Report of the Geological Survey of Texas 4(2):377-474
Parent taxon: Trigonoceratidae according to D. Korn et al. 2022
See also Sepkoski 2002 and Teichert et al. 1964
Sister taxa: Aphelaeceras, Apogonoceras, Aulagonoceras, Chouteauoceras, Coelonautilus, Diodoceras, Discitoceras, Endolobus, Epistroboceras, Imonautilus, Leuroceras, Lispoceras, Maccoyoceras, Mesochasmoceras, Neothrincoceras, Rineceras, Stroboceras, Subclymenia, Thrincoceras, Triboloceras, Trigonoceras, Vestinautilus
Subtaxa: Planetoceras bellilineatum Planetoceras destrictum Planetoceras globatum Planetoceras invenustum Planetoceras janischevskyi Planetoceras postremum Planetoceras retardatum Planetoceras schartimiense Planetoceras tiltoni Planetoceras transforme
Type: Planetoceras retardatum
Ecology: nektobenthic carnivore
Distribution:
• Permian of Pakistan (2 collections)
• Carboniferous of Algeria (1), Ireland (1), the Russian Federation (2), Ukraine (1)
Total: 7 collections including 9 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.