Cephalopoda - Nautilida - Nautilidae
Alternative combinations: Eutrephoceras cookana, Eutrephoceras cookanum, Kummeloceras cookanum, Kummelonautilus cookana, Kummelonautilus cookanus, Nautilus cookanum
Belongs to Nautilus according to J. L. Goedert et al. 2022
See also Matsumoto 1983, Matsumoto 1984, Miller 1947, Squires 1988 and Squires 2001
Sister taxa: Nautilus (Discites), Nautilus (Discus), Nautilus altifrons, Nautilus alumnus, Nautilus angustatus, Nautilus averilli, Nautilus bajocensis, Nautilus balcombensis, Nautilus bambanagensis, Nautilus butonensis, Nautilus calciferus, Nautilus campbelli, Nautilus cancellatus, Nautilus carolinus, Nautilus decurrens, Nautilus dolerus, Nautilus gabbi, Nautilus geelongensis, Nautilus inequalis, Nautilus izumoensis, Nautilus javanus, Nautilus longobardicus, Nautilus macromphalus, Nautilus modestus, Nautilus occidentalis, Nautilus palladii, Nautilus polyplocus, Nautilus pompilius, Nautilus praepompilius, Nautilus propinquus, Nautilus repertus, Nautilus reticulatus, Nautilus scrobiculatus, Nautilus sphaericus, Nautilus stenomphalus, Nautilus subcarolinus, Nautilus taiwanus, Nautilus texanus, Nautilus tintoretti, Nautilus triangularis, Nautilus tubercularis, Nautilus undulatus, Nautilus wanneri, Nautilus winslowi
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 66.7
Distribution:
• Eocene of United States (7: New Jersey, Washington collections)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.