Fossarus lamellosus is a species of sea snail, a marine gastropod mollusk in the family Planaxidae.

Distribution This species occurs in the Red Sea and in the Indian Ocean off the Aldabra Atoll.

References

Taylor, J.D. (1971). Intertidal Zonation at Aldabra Atoll. Phil. Trns. Roy. Soc. Lond. B. 260, 173–213