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"The <em>A. dubia</em> is found in the Nile. Several of this genus, brought from Egypt to Paris packed in bran, were found living, though they had been four months in making the passage." &mdash; Goodrich, 1859

Ampullaria dubia

"The A. dubia is found in the Nile. Several of this genus, brought from Egypt to Paris packed…

Ampullaria, one of the Apple Shells. (o) operculum; (s) respiratory tube.

Apple Shells

Ampullaria, one of the Apple Shells. (o) operculum; (s) respiratory tube.