Cephalopoda - Nautilida - Clydonautilidae
Alternative combinations: Clydonautilus (Proclydonautilus) spirolobus, Nautilus spirolobus
Belongs to Proclydonautilus according to E. S. Sobolev 1989
See also Bychkov et al. 1976, Kummel 1953, Schastlivtseva 1988, Smith 1927, von Mojsisovics 1873 and von Mojsisovics 1902
Sister taxa: Proclydonautilus anianiensis, Proclydonautilus gasteroptychus, Proclydonautilus goniatites, Proclydonautilus hessi, Proclydonautilus kiparisovae, Proclydonautilus natosini, Proclydonautilus okhotensis, Proclydonautilus pseudoseimkanensis, Proclydonautilus seimkanensis, Proclydonautilus sinekensis, Proclydonautilus squawensis, Proclydonautilus stantoni, Proclydonautilus triadicus, Proclydonautilus ursensis
Average measurements (in mm): shell diameter 30.5
Distribution:
• Triassic of Austria (9 collections), New Zealand (2), the Russian Federation (6), United States (1: California)
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.