Haedropleura pygmaea
Haedropleura pygmaea is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
Haedropleura pygmaea | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Clade: | Caenogastropoda |
Clade: | Hypsogastropoda |
Clade: | Neogastropoda |
Superfamily: | Conoidea |
Family: | Horaiclavidae |
Genus: | Haedropleura |
Species: | H. pygmaea |
Binomial name | |
Haedropleura pygmaea (Dunker, 1860) | |
Synonyms[1] | |
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Description
The length of the shell attains 5 mm.
The light-brown shell is longitudinally plicate. The plicae are evanescent towards the base of the body whorl.[2]
Distribution
This marine species occurs off Mauritius, Taiwan, Japan and Fiji.
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gollark: Assume there are integers x, y satisfying x²-y²=2(x-y)(x+y)=2x-y, x+y are both integers because they are a sum/difference of integersx, y >= 0 because (-x)²=x² so just ignore negative solutions since they only exist if a positive one does2 has the factors 2,1 so x-y, x+y must be 1, 2 in some orderx-y, x+y differ by 2yx-y, x+y differ by 12y=1y=½But y is an integer
gollark: We are having such advanced intellectual conversations.
gollark: yes.
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References
- Haedropleura pygmaea (Dunker, 1860). Retrieved through: World Register of Marine Species on 4 April 2010.
- G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences (described as Mangilia pygmaea)
- Liu J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp.
External links
- "Haedropleura pygmaea". Gastropods.com. Retrieved 16 January 2019.
- Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.
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