†Turritella porterensis sobrantensis Clark 1918 (turret shell)
Gastropoda - Cerithioidea - Turritellidae
Full reference: B. L. Clark. 1918. The San Lorenzo series of Middle California. a stratigraphic and paleontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California. University of California Publications Bulletin of the Department of Geology 11(2):45-234
Belongs to Turritella porterensis according to B. L. Clark 1918
Sister taxa: none
Type specimen: UCMP 11269
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution: there are no occurrences of Turritella porterensis sobrantensis in the database