Mirus stalix

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Mirus stalix
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Enidae
Genus: Mirus
Species:
M. stalix
Binomial name
Mirus stalix
(W. H. Benson, 1863)
Synonyms

Bulimus stalix W. H. Benson 1863

Mirus stalix is a species of air-breathing land snails, a terrestrial pulmonate gastropod in the subfamily Eninae of the family Enidae. [1]

Contents

M. stalix are endemic to Sri Lanka. [2]

They were first described in 1863 by British malacologist William Henry Benson. [3]

Description

The length of the shell attains 20 mm (0.79 in), its diameter 7 mm (0.28 in).

(Original description in Latin) The shell is narrowly perforate, oblong-conic, somewhat solid, with obliquely irregularly folded striations and a very densely spirally striated epidermis. It is chestnut-coloured, marked with oblique streaks, while the suture, base, and apex are whitish.

The spire is elongate-conic, with a somewhat blunt apex and a slightly impressed suture, sometimes margined. There are seven slightly convex whorls, the body whorl slightly compressed at the base and barely ascending anteriorly.

The aperture is somewhat oblique, narrowly pear-shaped, chestnut-coloured inside, with a slightly expanded, faintly reflexed, whitish peristome. The margins are distant and not converging, with the columellar margin broad and joined above by an oblique chestnut-coloured callus. [3]

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References

  1. ↑ Preece, R. C., White, T. S., Raheem, D. C., Ketchum, H., Ablett, J., Taylor, H., Webb, K. & Naggs, F. (2022). William Benson and the golden age of malacology in British India: Biography, illustrated catalogue and evaluation of his molluscan types. Tropical Natural History. No. 6: Supplement: 1-434., available online at https://li01.tci-thaijo.org/index.php/tnh/article/view/257073/175390 page(s): 151, Fig. 66 E; note: neotype designation
  2. ↑ Naggs, F. & Raheem, D. (2000). Land snail diversity in Sri Lanka. An illustrated guide prepared for the launch of the Darwin Initiative programme. Photography by Harold Taylor. The Natural History Museum, London. pages i-xiii, 1-203. 246 coloured plates. ISBN 0565091514 (printed version), ISBN 0565091565 (compact disc)., available online at https://www.nhm.ac.uk/our-science/data/tropical-land-snails/taxa.dsm
  3. 1 2 Benson, W. H. (1863). Characters of new land-shells from the Andaman Islands, Burmah, and Ceylon, and of the animal of Sophina. The Annals and Magazine of Natural History, Series 3. 11(65): 318-323., available online at https://biodiversitylibrary.org/page/22221772 page(s): 322
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