Biology:Liotella johnstoni
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Short description: Species of gastropod
| Liotella johnstoni | |
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| File:Liotella johnstoni 001.jpg | |
| Shell of Liotella johnstoni (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Skeneidae |
| Genus: | Liotella |
| Species: | L. johnstoni
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| Binomial name | |
| Liotella johnstoni (Beddome, 1883)
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| Synonyms | |
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Liotella johnstoni is a species of small sea snail, a marine gastropod mollusc in the family Skeneidae.[1]
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.
References
- ↑ Marshall, B. (2013). Liotella johnstoni (Beddome, 1883). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=720332 on 2013-10-27
- ↑ "Liotella johnstoni". https://seashellsofnsw.org.au/Skeneidae/Pages/Liotella_johnstoni.htm.
- Beddome, C.E. 1882. Description of some marine shells of Tasmania. Pap. Proc. R. Soc. Tas. Vol. 1882 pp. 167–170
- Laseron, C. 1954. Revision of the Liotiidae of New South Wales. Aust. Zool. Vol. 12 (1) pp. 1–25, figs 1-49a
- Cotton, B. C., 1959. South Australian Mollusca. Archaeogastropoda. W.L. Hawes, Adelaide.. 44 9 pp., 1 pl.
- Iredale, T. & McMichael, D.F. (1962). A reference list of the marine Mollusca of New South Wales. Memoirs of the Australian Museum. 11 : 1-109
External links
Wikidata ☰ Q16984619 entry
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