found in bottom sediments at 18.5m depth by scuba diving off the harbor of
Kukuiula
Hawaii USA
Geological Time: Quaternary Holocene recent
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
spiral side
The identification is based upon:
Hayward, B.W., Cedhagen, T., Kaminski, M., Gross, O., 2020: