Thaisella trinitatensis is a species of sea snail, a marine gastropod mollusk, in the family Muricidae, the murex snails or rock snails.

[1][2] The length of the shell attains 45 mm.

The type locality is contained in Trinidad and Tobago; also in the Atlantic Ocean off Brazil.

This species is found in the following habitats:[1]

This Rapaninae article is a stub.