Janthina exigua
| Janthina exigua | |
|---|---|
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| Live Janthina exigua retracted into its shell | |
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| Shell of Janthina exigua | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Superfamily: | Epitonioidea |
| Family: | Epitoniidae |
| Genus: | Janthina |
| Species: | J. exigua
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| Binomial name | |
| Janthina exigua Lamarck, 1816
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| Synonyms[1] | |
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Janthina exigua, also known as the dwarf janthina, is a species of small holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae, the violet snails or purple storm snails.[1]
Distribution
[edit]This species is pelagic, and occurs around the world in tropical waters, in other words it is circumequatorial.[1]
It has been recorded from:
- The Atlantic Ocean[1]
- British Isles[1]
- European waters[1]
- Madagascar[1]
- Mascarene Plateau[1]
- Mediterranean Sea[1]
- Mozambique[1]
- The Pacific Ocean[1]
- South Africa[1]
- The West Coast of Ireland[1]
Description
[edit]The maximum recorded shell length is 15.3 mm.[2]
Habitat
[edit]Minimum recorded depth is 0 m.[2] Maximum recorded depth is 0 m.[2]
References
[edit]- ^ a b c d e f g h i j k l m MolluscaBase (2019). MolluscaBase. Janthina exigua Lamarck, 1816. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=140154 on 2019-10-09
- ^ a b c Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.