Cephalopoda - Ceratitida - Arctoceratidae
Alternative combination: Meekoceras tuberculatum
Synonyms: Arctoceras gigas Tozer 1994, Submeekoceras gigas Tozer 1994
Belongs to Arctoceras according to A. Brayard et al. 2013
See also Tozer 1994 and Zakharov and Smyshlyaeva 2025
Sister taxa: Arctoceras blomstrandi, Arctoceras erebori, Arctoceras kiparisovae, Arctoceras newberryi, Arctoceras oebergi, Arctoceras omoloiense, Arctoceras robinsoni, Arctoceras septentrionale, Proptychites (Discoproptychites) septentrionale, Discoproptychites walcotti
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 81.2
Distribution:
• Triassic of Canada (4: Nunavut collections), United States (14: Alaska, California, Nevada, Utah)
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.