Makiyamaia gravis is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
The height of the shell attains 37 mm.
This marine species occurs off the Agulhas Bank, South Africa
- Kilburn, R. N. "Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 2. Subfamily Clavatulinae." Annals of the Natal Museum 26.2 (1985): 417–470.
- Kilburn R.N., Fedosov A.E. & Olivera B.M. (2012) Revision of the genus Turris Batsch, 1789 (Gastropoda: Conoidea: Turridae) with the description of six new species. Zootaxa 3244: 1–58.