Liotella johnstoni
Species of gastropod
From Wikipedia, the free encyclopedia
Liotella johnstoni is a species of small sea snail, a marine gastropod mollusc in the family Skeneidae.[1]
| Liotella johnstoni | |
|---|---|
| |
| Shell of Liotella johnstoni (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Family: | Skeneidae |
| Genus: | Liotella |
| Species: | L. johnstoni |
| Binomial name | |
| Liotella johnstoni (Beddome, 1883) | |
| Synonyms | |
| |
Description
The diameter of the shell attains 1.3 mm. The height to width ratio is 0.54 - 0.68. Protoconch is smooth and elevated. Teleoconch up to 2¼ rounded whorls with suture deep. The axial sculpture has low, moderately thick ribs, extending from suture into umbilicus, 20-30 on last whorl. Umbilicus is open and wide. Aperture is circular. Shell is colourless and transparent when fresh, becoming opaque over time with age.[2]
Distribution
This marine species is endemic to Australia and occurs off New South Wales, Victoria, South Australia and Tasmania at depths of 137 metres.