Nassa francolina, the francolina jopas, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa mud snails.
Distribution This species occurs in the Indian Ocean off the Aldabra Atoll, Chagos and the Mascarene Basin and in the Pacific Ocean off Western Australia and Papua New Guinea.
Description
The length of the shell varies between 33 mm and 70 mm. References
Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III Drivas, J. & M. Jay (1988). Coquillages de La Réunion et de l'île Maurice
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