The choice of N. gibbosulus in Mediterranean web sites and N. kraussianus is South African web-sites can be a operate in their availability during the vicinity of your web-sites, but would not clarify why this genus was favored more than other shells of comparable dimension and condition. A comparison in https://renaissance-bead-trade85295.csublogs.com/37616353/getting-my-indian-agate-beads-to-work