# Lotoria triangularis

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{{Short description|Species of gastropod}}
{{Italic title}}
{{speciesbox
| image = Cymatiumperyi.jpg
| image_caption = A shell of ''Lotoria triangularis'' without the [periostracum](/source/periostracum) but with the [operculum](/source/operculum_(gastropod)) glued onto cotton in the aperture. Anterior end to the upper right
| image2 = Lotoria perryi.jpg
| image2_caption = Apertural view of ''Lotoria triangularis''
| taxon = Lotoria triangularis
| authority = ([Emerson](/source/William_Keith_Emerson) & Old, 1963)
| synonyms_ref = <ref name="WoRMS" />
| synonyms = 
* ''Cymatium (Lotoria) perryi'' <small>Emerson & Old, 1963</small>
* ''Lotoria perryi'' <small>(W. K. Emerson & Old, 1963)</small> 
* ''Septa triangularis'' <small>Perry, 1811</small>
|display_parents= 3
}}

'''''Lotoria triangularis''''' is a [species](/source/species) of [predatory](/source/predatory) [sea snail](/source/sea_snail), a [marine](/source/marine_(ocean)) [gastropod](/source/gastropod) [mollusk](/source/mollusk) in the [family](/source/Family_(taxonomy)) [Cymatiidae](/source/Cymatiidae).<ref name="WoRMS">MolluscaBase eds. (2023). MolluscaBase. Lotoria triangularis (Perry, 1811). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1332344 on 2023-07-27</ref> shell of ''Lotoria triangularis'' is robust and can reach a maximum length of '''142 mm'''.  the shell features a turreted, fusiform shape with prominent varices. The whorls are typically triangular in cross-section—a feature that gives the species its name—and are often coronated with blunt tubercles or spines.

The aperture is notably longer than the spire, with an outer lip that is heavily dentated internally. In its natural state, the shell is covered by a '''periostracum''', a fibrous, hair-like outer layer that protects the calcium carbonate shell from erosion.

==Description==
The length of the shell attains 142 mm.
{{Expand section|date=July 2023}}

==Distribution==
This species of marine snail occurs in the [Indo-Pacific](/source/Indo-Pacific) ocean, mainly off [India](/source/India), [Sri Lanka](/source/Sri_Lanka) and in the [Andaman Sea](/source/Andaman_Sea).

==References==
{{Reflist}}
* Parth, M. (2017). Seashells and Chinese snuff bottles. The collection Manfred Parth. München: Verlag Dr Friedrich Pfeil. 288 pp.

==External links==
* [https://www.biodiversitylibrary.org/page/41764832 Perry, G. (1811). Conchology, or the natural history of shells: containing a new arrangement of the genera and species, illustrated by coloured engravings executed from the natural specimens, and including the latest discoveries. W. Miller, London, 4 pp. + 61 pls]
* [http://digitallibrary.amnh.org/handle/2246/4423  Emerson W.K. & Old W.E. (1963). A new subgenus and species of Cymatium (Mollusca, Gastropoda). American Museum Novitates. 2137: 1-13]
* [https://web.archive.org/web/20081202181753/http://www.gastropods.com/3/Shell_2823.html Gastropods.com] (archived)
* Image at: [http://www.femorale.com.br/shellphotos/detail.asp?species=Cymatium+perryi+Emerson+%26+Old%2C+1963]

{{Taxonbar|from2=Q6684833|from1=Q107024562}}

Category:Cymatiidae
Category:Gastropods described in 1963
Category:Taxa named by William Keith Emerson

{{Cymatiidae-stub}}

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Adapted from the Wikipedia article [Lotoria triangularis](https://en.wikipedia.org/wiki/Lotoria_triangularis) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Lotoria_triangularis?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.