Tectarius antonii

Tectarius antonii is a species of sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles.

Description
The maximum recorded shell length is 21 mm.

Distribution
This species occurs in the Gulf of Mexico, the Caribbean Sea and the Lesser Antilles.

Habitat
Minimum recorded depth is -2 m. Maximum recorded depth is 0 m.