†Turritella ocoyana topangaensis Merriam 1941 (turret shell)
Gastropoda - Cerithioidea - Turritellidae
Full reference: C. W. Merriam. 1941. Fossil Turritellas from the Pacific Coast region of North America. University of California Publications Bulletin of the Department of Geological Sciences 26(1):1-214
Belongs to Turritella ocoyana according to C. W. Merriam 1941
Sister taxon: Turritella ocoyana topangensis
Type specimen: UCMP 31648, a shell
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution:
• Oligocene of United States (3: California collections)
Total: 3 collections each including a single occurrence