Kalmar "genus Dendraspis" tana nufin rukunin macizai masu dafin na dangin Elapidae. Halin ya haɗa da nau'in macizai guda biyu masu dafin gaske, koren mamba (Dendraspis angusticeps) da kuma black mamba (Dendraspis polylepis). Dukansu nau'in ana samun su a yankin kudu da hamadar sahara kuma an san su da dafin dafin neurotoxic da mugun hali. Sunan "Dendraspis" ya fito ne daga kalmomin Helenanci "dendron" ma'ana "itace" da "aspis" ma'ana "asp" ko "viper," mai yiwuwa yana nufin halayen arboreal na kore mamba.