Renea moutonii singularis

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Renea moutonii singularis
Renea moutonii singularis (MNHN-IM-2010-13009) 001.jpeg
Shell of Renea moutonii singularis (specimen at MNHN, Paris)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Architaenioglossa
Superfamily: Cyclophoroidea
Family: Aciculidae
Genus: Renea
Species:
R. moutonii
Subspecies:
R. m. singularis
Trinomial name
Renea moutonii singularis
Pollonera, 1905
Synonyms
  • Caziotia singularisPollonera, 1905 ·(basionym)
  • Renea (Caziotia) singularis(Pollonera, 1905) (unaccepted combination and rank)
  • Renea singularis(Pollonera, 1905)
  • Renea singularis singularis(Pollonera, 1905)

Renea moutonii singularis is a subspecies of land snail with an operculum, a terrestrial gastropod mollusk in the family Aciculidae. [1] It was described by Pollonera in 1905. The common name is needle snail. [2]

Contents

Distribution

This subspecies is endemic to France. It has a very narrow distribution, being found only in the Alpes-Maritimes, in the Loup and Siagne valleys. [3] Because of its limited distribution and rarity within its range it is considered threatened. The IUCN red list of endangered species lists it as vulnerable. [1]

Description

These snails are between 3 and 4 mm long and 1.1 to 1.3 mm wide. Their elongated shells are light brown with fine ribbing (60-70 ribs with a penultimate whorl). The apertural margin in lateral view is oblique / and (-shaped, with an exaggerated sinulus, and a P-like opening at the suture in the last quarter of the last whorl. There is no cervical callus. The apertural margin can be thick. [3]

Renea moutonii singularis is possibly the end of an evolutionary line that begins with an almost straight apertural margin (in lateral view) towards a much more oblique and protruded margin with the needle snail having the longest sinulus along the suture. [3]

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References

  1. 1 2 3 Bouchet, P.; Seddon, M.B. (1996). "Renea moutonii ssp. singularis". IUCN Red List of Threatened Species . 1996: e.T19430A8890560. doi: 10.2305/IUCN.UK.1996.RLTS.T19430A8890560.en . Retrieved 12 January 2020.
  2. ↑ Conchology Inc http://www.conchology.be/?t=68&u=824619&g=fd769883d258b1abcd889fd40a63f641&q=99b5128779de6c5043dc19891a988bcc retrieved 12 June 2015
  3. 1 2 3 Goettingen University AnimalBase http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=2827 retrieved 12 June 2015


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