Likely during the 16th century, conchs of the Cassidae and Cypraeidae families were found to be particularly suitable for cameo engraving.
Tõenäoliselt 16. sajandil leiti, et iseäranis sobivad kameede valmistamiseks mõhkkodalaste ja portselantigulaste sugukondadesse kuuluvate tigude kojad.