Austrolittorina antipodum (Philippi, 1847), known as the Banded periwinkleis a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles, found in New Zealand.

Lacuna parva, common name the tiny lacuna, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.

Littoraria undulata, common name the robust shell, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.

Littorina saxatilis, common name the rough periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles.

Afrolittorina knysnaensis, common name the southern periwinkle, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.

Cremnoconchus syhadrensis is a species of freshwater snail, an aquatic gastropod mollusk in the family Littorinidae, the winkles or periwinkles.

Tectarius coronatus, common name Beaded Prickly Winkle, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.

Lacuna minor is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.