Auriculastra saccata
From Wikipedia, the free encyclopedia
| Auriculastra saccata | |
|---|---|
 | |
| Shell of Auriculastra saccata (specimen in the Natural History Museum, London) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Ellobiida |
| Family: | Ellobiidae |
| Genus: | Auriculastra |
| Species: | A. saccata |
| Binomial name | |
| Auriculastra saccata (Pfeiffer, 1855) | |
| Synonyms | |
|
Auricula saccata L. Pfeiffer, 1855 superseded combination | |
Auriculastra saccata is a species of air-breathing land snail, a terrestrial gastropod mollusc in the family Ellobiidae, the salt marsh snails.[1]
The length of the shell attains 14 mm, its diameter 6 mm.
(Original description in Latin) The shell is shortly and deeply rimate (having a narrow slit-like opening). It is club-shaped and solid. It is finely striated, somewhat glossy, and displays a brownish-yellow hue, though the surface is irregularly eroded. The spire is elongated-conic with a sharp apex. The suture is flat and appears "torn" or jagged.
There are 8 to 9 flat whorls; the body whorl is nearly equal to the spire in length, widening toward the bottom and becoming sac-like at the base. The aperture is vertical and narrowly oval. Inside, there is a single, very small parietal fold located in the middle and set slightly crosswise. The columellar fold is faintly "double-toothed" or bidenticulate, though this feature is nearly obsolete. The peristome (the rim of the mouth) is blunt; its right margin is curved or sinuated at the top and thickened in the middle, while the columellar margin is dilated, callous, and spreading outward. [2]
