Lanistes ovum from Congo. (picture not licenced under creative commons)

Lanistes ovum from Congo. (picture not licenced under creative commons)

Lanistes ovum. (picture not licenced under creative commons)

Shell: The snail form this genus all have a hyperstrophic sinistral shell, which means the shell is sinistral, but the body of the snail is dextral.
Operculum:
Body:
Eggs:

Food:
Behaviour:
Distribution: Congo, Chad, Ghana, Cameroon, Gambia, Angola, Comoren, Tanzania, Mozambique and Zimbabwe.

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