Tonna morrisoni is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Description
The length of the shell attains 90 mm. Distribution This marine species occurs off South Africa, Mozambique and Madagascar.
References
Vos, C. (2007) A conchological Iconography (No. 13) - The family Tonnidae. 123 pp., 30 numb. plus 41 (1 col.) un-numb. text-figs, 33 maps., 63 col. pls, Conchbooks, Germany