Gemmula flata is a species of sea snail, a marine gastropod mollusc in the family Turridae, the turrids.
The length of the shell attains 31.5 mm.
This species occurs in the Indo-Pacific areas including; Japan, Philippines, the Nansha Islands, the East China Sea, and the South China Sea. Flata is found in deep, tropical waters. Records indicate it inhabits depths with muddy sand substrates.
<blockquote>https://www.marinespecies.org/aphia.php?p=taxdetails&id=456829#:~:text=Nomenclature,1778:%201%2D25.%20%5B</blockquote>