Altrix trifolium is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.[1][2]
The shell can grow to be 12 mm to 28 mm in length.[3]
Altrix trifolium can be found off of Yucatán, Colombia, and Barbados. It lives at a depth of 256 m to 1170 m.[3][4]
Altrix trifolium is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.