Euthrenopsis Otagoensis
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''Euthrenopsis otagoensis'' 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 ...
of
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 Buccinidae. It was first described by
Baden Powell Baden-Powell () is a surname. Notable people with the surname include: Baden-Powell * The Rev. Prof. Baden Powell (mathematician) (1796–1860), mathematician, clergyman and liberal theologian. By his first marriage father of: :* Baden Henry Powell ...
in 1929. It is endemic to the waters of New Zealand. It is the
type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...
for the genus Euthrenopsis.


Description

''Euthrenopsis otagoensis'' has a shell with six whorls, with strong and even convex outlines. The species measures 12 mm by 5 mm.


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 New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
. The holotype was collected in the waters east of the
Taiaroa Head Taiaroa Head is a headland at the end of the Otago Peninsula in New Zealand, overlooking the mouth of the Otago Harbour. It lies within the city limits of Dunedin. The nearest settlement, Otakou, lies three kilometres to the south. The cape is h ...
in the Otago Region of New Zealand. Additional specimens have been identified in the
Foveaux Strait The Foveaux Strait, (, or , ) separates Stewart Island, New Zealand's third largest island, from the South Island. The strait is about 130 km long (from Ruapuke Island to Little Solander Island), and it widens (from 14 km at Ruapuk ...
and the Cook Strait.


References

* Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch * Maxwell, P. A. (2009). Cenozoic Mollusca. Pp 232-254 in Gordon, D. P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch {{Taxonbar, from=Q3727425 Buccinidae Gastropods described in 1929 Gastropods of New Zealand Endemic fauna of New Zealand Endemic molluscs of New Zealand Molluscs of the Pacific Ocean Taxa named by Arthur William Baden Powell