The choice of N. gibbosulus in Mediterranean web-sites and N. kraussianus is South African websites is usually a perform in their availability in the vicinity in the web-sites, but doesn't make clear why this genus was most popular more than other shells of similar dimensions and condition. A comparison from https://murano-glass-beads20741.rimmablog.com/30515840/not-known-facts-about-art-nouveau-beadwork