Rissoa alleryi Nordsieck, 1972
Southern & Central Mediterranean.
Grazer and detritus feeder in the upper infralittoral.
Original taxon: Goniostoma alleryi.
Named after the conchologist Tommaso di Maria Allery, marchese di Monterosato (1841-1927).
Above: a specimen collected among Posidonia oceanica, north of the saltworks, Kariotes, eastern coast of Lefkás island, Iónia nissiá, W. Greece. 5,5-6mm.

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