Synthesis of taphonomic and use features for Tritia cf. gibbosula, Tritia corniculum, Columbella rustica and Ocenebra sp. shells from US 8 of El Mnasra cave.

Surface preservation (Shiny, Matte of Chalky), presence of natural alteration: Encrustation by sediment; presence of gravel or shell fragment inside shell; smoothing of the apex, abrasion of the apex (morphological types a, bc, dc, eb), abrasion of the anterior portion (morphological types c,bc,d,dc) by wave abrasion; Smoothing of the perforation edge; Smoothing intensity of the perforation edge (Low (1) to High (3)); Usewear localization; Heating; Presence of ochre; Localization of ochre. (XLSX)