1.A.Shell with truncated columella and blunt apex:Archachatina go to 2 B.Shell with truncated columella and pointed apex:Achatina go to 3 2.A.Shell slender with red apex and columella :Archachatina marginata suturalis B.Shell without red apex go to 4 3.A.Shell yellowish brown with dark zig-zag stripes,columella and parietal wall reddish, body with rough skin surface,backend of the body with a raised V. Achatina achatina B.Shell and body without these marks go to 5 4.A.Shell with a white or bluish-white outer lip, but an apricot-yellow columella and parietal wall,apex yellowish white. Archachatina marginata ovum B.Shell without an apricot yellow columella go to 6 5.A.Shell yellowish brown with darker brown blotches,rough surface,body of the snail light colored with head dark and lighter eyes Achatina reticulata B. 6.A.Shell with a white or bluish-white columella, parietal wall and outer lip. Archachatina marginata marginata B.Shell with reddish columella,parietal and lip go to 8 8.A.Shell with the columella, parietal wall,inner margin of outer lip (except for the narrow edge) and the entire inside of the aperture to far back in the shell a deep reddish color. Archachatina degneri B.Shell without inside of aperture a reddish color Archachatina ventricosa