Английская Википедия:Ferrissia neozelanica

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Шаблон:Short description Шаблон:Speciesbox

Ferrissia neozelanica, also known as Gundlachia neozelanica, is a species of minute freshwater limpet, an aquatic pulmonate gastropod mollusk, or micromollusk, in the family Planorbidae.

As of 2014, this species was listed in the IUCN Red list twice: as Gundlachia neozelanica - data deficient[1] and as Ferrissia neozelanicus - least concern.[2]

Shell description

Shell depressed conoidal, oval-oblong, the sides straightened, subparallel, thin, semitransparent, horn-colour, with a blackish-green coating. Apex a little inclined to the right, situated at the posterior sixth of the length, flatly convex anteriorly; concentric lines of growth at regular intervals. Interior light brown, shining. Aperture is elongated oval, slightly broadened anteriorly. Specimens have been found with the septum partly formed, but not adult.[3]

The shell length is up to 3 mm, the width up to 2 mm, and height up to 0.75 mm.[4]

Anatomy

These animals have a pallial lung, as do all pulmonate snails, but they also have a false gill or "pseudobranch". This serves as a gill as these limpets may sometimes not be able to reach the surface for air.

Distribution

This freshwater limpet is endemic to the South Island of New Zealand.[4]

Habitat

These tiny limpets are found attached to stems and undersides of leaves of aquatic plants in quiet waters.

References

This article incorporates public domain text from the reference[3] Шаблон:Reflist

External links

Шаблон:Taxonbar

  1. Шаблон:Cite journal
  2. Ошибка цитирования Неверный тег <ref>; для сносок IUCN 2013 не указан текст
  3. Перейти обратно: 3,0 3,1 Suter H. (1913). Manual of the New Zealand Mollusca. Wellington.
  4. Перейти обратно: 4,0 4,1 Powell A. W. B. (1979). New Zealand Mollusca. William Collins Publishers Ltd, Auckland, New Zealand, Шаблон:ISBN