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<< Go back one level - Achatina - Giant African Land Snails

species

Achatina dammarensis Pfeiffer, 1853

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Pulmonata - pulmonates »  family Achatinidae »  genus Achatina - Giant African Land Snails

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Achatina dammarensis

Author: Tryon & Pilsbry

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Description

Shell ovate, thin; pale greenish-buff, marked with dark, irregular streaks. Spire conic, the vertex minute, obtuse; suture little impressed, minutely crenulate. Whorls 6,5 , a little convex, the upper granulate-decussate, the penult, with oblong grains formed by more distant spiral lines; last whorl nearly three-fifths the total length, somewhat wrinkled from suture to periphery and having lightly impressed spiral lines, nearly smooth below the middle. Columella whitish, arcuate, abruptly truncate. Aperture a little oblique, acuminate-oval, pearly-whitish within; peristome thin, unexpanded, the margins not connected. Length 45, diam. 24, aperture 26x14 mm.
Tryon, G.W. & Pilsbry, H.A.; 1904-1905; Manual of Conchology, Series 2, Volume 17, African Achatinidae

Interchangeable taxa

This species has about the shape of A. papyracea Pfr., but is much more nearly related to A. bayaona Morelet. It differs from this by the more ovate contour, the last whorl being less contracted below; besides, the columella is much more strongly arched, and the granulation appears much coarser on the penult, whorl and upper half of the last.
Tryon, G.W. & Pilsbry, H.A.; 1904-1905; Manual of Conchology, Series 2, Volume 17, African Achatinidae

Distribution

Southwest Africa: Damaraland (Dohrn coll.); Ubeb on the Khan river (A. Schenck).
Tryon, G.W. & Pilsbry, H.A.; 1904-1905; Manual of Conchology, Series 2, Volume 17, African Achatinidae
Author: Jan Delsing

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