{{short description|Species of sea snail}} {{Speciesbox | taxon = Longchaeus insularum | image = Pyramidella insularum 001.png | image_caption = Drawing of a shell of ''Longchaeus insularum'' | authority = (Pilsbry, 1922) | synonyms_ref = <ref name="WoRMS" /> | synonyms = * ''Longchaeus canaliculatus'' <small>(Sowerby II, 1874)</small> * ''Pyramidella canaliculata'' <small>Sowerby II, 1874 (non Gabb, 1873)</small> * ''Pyramidella insularum'' <small>Pilsbry, 1922</small> (original combination) }}
'''''Longchaeus insularum''''' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.<ref name="WoRMS">Rosenberg, G. (2015). Longchaeus insularum (Pilsbry, 1922). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=739733 on 2015-04-18</ref>
==Description==
The shell has a yellowish color, banded and spotted with chestnut, with fine longitudinal white raised striations, appearing like low rounded riblets, with occasional darker macillations, especially on the base. The whorls of the teleoconch are flattened. The suture and periphery are channeled. The aperture is channeled at the base. The columella is straight, three plaited. The length of the shell is 15 mm.<ref>[https://archive.org/stream/manualconch08tryorich#page/n5/mode/2up G.W. Tryon, Manual of Conchology vol. VIII p. 302-303; 1889 (described as ''Pyramidella canaliculata'')]</ref>
==Distribution== This species occurs in the Pacific Ocean off Hawaii.
==References== {{reflist}} * Sowerby, G. B., II. 1874. ''Descriptions of twelve new species of shells.'' Proceedings of the Zoological Society of London 1873:718–722, pl. 59
==External links== * [http://www.marinespecies.org/aphia.php?p=taxdetails&id=739733 World Register of Marine Species] {{Taxonbar|from=Q7263321}}
Category:Pyramidellidae Category:Gastropods described in 1922