Abstract Analysis of cutmarks on archaeologically recovered fauna can indicate what type of blade was used for butchery tasks. Taking this approach to evaluating tool choices in a multiethnic community has been done elsewhere but remains a relatively unexplored topic in the American Southwest. Meanwhile, shell butchery is severely understudied. This study evaluates cutmarks observed on zooarcheological bone collected from the Mission and Pueblo at Santa Catalina de Guale on St. Caherines Island,...