Additional file 3: of Comparative morphology and evolution of the cnidosac in Cladobranchia (Gastropoda: Heterobranchia: Nudibranchia) GoodheartJessica BleidißelSabrina SchilloDorothee StrongEllen AyresDaniel PreisfeldAngelika CollinsAllen CummingsMichael WägeleHeike 2018 Primers used for fragments of CO1, 16S and 18S. (XLSX 37 kb)