''Eatoniella bathamae'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

in the family

Eatoniellidae Eatoniellidae, commonly known as eatoniellids, are a taxonomic family of minute sea snails, marine gastropod molluscs in the superfamily Cingulopsoidea The Cingulopsoidea is a superfamily of sea snails, marine gastropod molluscs in the cl ...

. It was first described by Winston F. Ponder in 1965. It is endemic to the waters of New Zealand.

Taxonomy

The species was originally identified by the name ''Eatoniella (Cerostraca) bathami'', named after Betty Batham who assisted Ponder during his stay at the

Portobello Marine Laboratory The Portobello Marine Laboratory is located on the end of a short peninsula close to the township of Portobello, within the limits of the city of Dunedin in New Zealand's South Island. It is run as part of the University of Otago, the main campu ...

Description

''Eatoniella bathamae'' has a small conical shell, smooth except for the presence of faint growth lines. It has a variable colour, typically dark grey-purple, but including pale grey and yellowish-white. The holotype specimen measured 1.42mm by 0.8mm.

Distribution

The species is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to New Zealand. The holotype of the species was collected on 5 September 1963 at Little Papanui Beach,

Dunedin Dunedin ( ; mi, Ōtepoti) is the second-largest city in the South Island of New Zealand (after Christchurch), and the principal city of the Otago region. Its name comes from , the Scottish Gaelic name for Edinburgh, the capital of Scotland. Th ...

, by Ponder himself, who identified the species on gelatinous red algae. In addition to Otago, specimens have been identified on the

Snares Islands / Tini Heke The Snares Islands / Tini Heke, known colloquially as The Snares, is a group of uninhabited islands lying about 200 km south of New Zealand's South Island and to the south-southwest of Stewart Island / Rakiura. The Snares consist of the m ...

Stewart Island Stewart Island ( mi, Rakiura, ' glowing skies', officially Stewart Island / Rakiura) is New Zealand's third-largest island, located south of the South Island, across the Foveaux Strait. It is a roughly triangular island with a total land ar ...

and the

Auckland Islands The Auckland Islands (Māori: ''Motu Maha'' "Many islands" or ''Maungahuka'' "Snowy mountains") are an archipelago of New Zealand, lying south of the South Island. The main Auckland Island, occupying , is surrounded by smaller Adams Island, ...

References

{{Taxonbar, from=Q6784275 Eatoniellidae Gastropods described in 1965 Gastropods of New Zealand Endemic fauna of New Zealand Endemic molluscs of New Zealand Molluscs of the Pacific Ocean Taxa named by Winston Ponder