Pupatonia atoma

Pupatonia atoma is a species of minute sea snails, marine gastropod mollusks in the family Eatoniellidae, the eatoniellids. It is endemic to New Zealand, found in the waters of the southern South Island, Stewart Island, the New Zealand Subantarctic Islands and the Chatham Islands.

Description

In the original description, Ponder described the species as below:
Shells of the species have fine, irregular spiral scratches. The shell of the holotype of the species has a height of, and a width of.

Taxonomy

The species was first described by Winston Ponder in 1965. The holotype of the species is held by the Canterbury Museum.

Distribution and habitat

P. atoma is endemic to New Zealand, found in the waters of the southern South Island, Stewart Island, the Snares Islands, Bounty Islands, Campbell Islands and the Chatham Islands.