Anostoma deshayesianum

Anostoma deshayesianum is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Odontostomidae.

Anostoma deshayesianum
A colored drawing of an adult shell of Anostoma deshayesianum
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Orthalicoidea
Family:
Odontostomidae
Genus:
Anostoma
Species:
A. deshayesianum
Binomial name
Anostoma deshayesianum
Fischer, 1857[1]

Distribution

This species occurs in Brazil.

Shell description

The shell of this species is orbiculate-globose, lightly striate, hardly shining, covered with a corneous epidermis. The shell is composed of 5 convex whorls. The spire is obtuse. The suture is hardly impressed, not marginate, bordered below by a blackish band. The last whorl is globose, not carinated, divided by a submedian blackish band above, the upper part having only a few spots near the periphery, the base with numerous brown spots arranged concentrically.[2]

The shell aperture is semilunar and a little oblique. The columellar (parietal) margin is arcuate, convex, and three-toothed. The median tooth is the most strongly developed. The peristome is white, reflexed, and has six equidistant and equal white teeth, which are violet-tinted at their bases.[2]

The width of adult shells is 33 mm, the height is 18 mm.[2]

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References

This article incorporates public domain text from reference.[2]

  1. Fischer, P. & H. Hupé. 1857. Description de deux espèces nouvelles du genre Anostoma Fischer. Journal de Conchyliologie, Paris, 5: 330-354, pl. 12, figs. 1-2.
  2. Pilsbry H. A. 1901. in Tryon G. W. & Pilsbry H. A. 1901-1902 - Oriental Bulimoid Helicidae. Odontostominae. Cerionidae Volume 14. Manual of Conchology. Second series: Pulmonata. page 111-112.


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