View source for Biology:Juga plicifera

{{Short description|Species of gastropod}}
{{Italic title}}
{{Taxobox
| name                  = ''Juga plicifera''
| image                 = Naturalis Biodiversity Center - RMNH.MOL.175404 - Juga plicifera (Lea, 1838) - Semisulcospiridae - Mollusc shell.jpeg
| image_caption         = Shells at the Naturalis Biodiversity Center
| regnum                = Animalia
| phylum                = [[Biology:Mollusca|Mollusca]]
| classis               = [[Biology:Gastropoda|Gastropoda]]
| unranked_superfamilia = clade [[Biology:Caenogastropoda|Caenogastropoda]]<br />clade [[Biology:Sorbeoconcha|Sorbeoconcha]]
| superfamilia          = [[Biology:Cerithioidea|Cerithioidea]]
| familia               = [[Biology:Semisulcospiridae|Semisulcospiridae]]
| genus                 = ''[[Biology:Juga|Juga]]''
| species               = '''''J. plicifera'''''
| binomial              = ''Juga plicifera''
| binomial_authority    = (I. Lea, 1838)
| synonyms_ref          = <ref name="Adams 2006">Adams A. M. (2006). "Foodborne trematodes". In: Ortega I. R. (ed.) (2006). ''Foodborne parasites''. {{ISBN|0-387-30068-6}}. [https://books.google.com/books?id=92pNSYcQl8sC&dq=Oxytrema+silicula+synonym&pg=PA178 page 178].</ref>
| synonyms              = 
''Goniobasis plicifera''<br />''Oxytrema silicula'' (Gould)
}}

'''''Juga plicifera''''', common name '''pleated juga''',<ref name="NatureServe">"''Juga plicifera'' (I. Lea, 1838)". [[Organization:NatureServe|NatureServe]] Explorer, accessed 26 February 2013.</ref> and '''graceful keeled horn snail'''<ref name="Rudy Jr. et al.">(2013). "''Juga plicifera''". In: ''Oregon Estuarine Invertebrates'' (ed. 2) (2013). ''Juga plicifera'' [https://scholarsbank.uoregon.edu/xmlui/bitstream/handle/1794/12901/J_plicifera%20FINAL.pdf?sequence=1].</ref> is a [[Biology:Species|species]] of small [[Biology:Freshwater snail|freshwater snail]] with an ovate and corneous [[Biology:Operculum (gastropod)|operculum]], ranging in size from 16mm to 35mm long.<ref name="Rudy Jr. et al."/> The snail is dextrally coiled with about 15 whorls and 10 to 12 axial plicae on each whorl.<ref name="Rudy Jr. et al."/>  It is an aquatic gastropod mollusk in the family [[Biology:Semisulcospiridae|Semisulcospiridae]].

==Distribution==
''Juga plicifera'' is distributed throughout northwestern Oregon and Washington, USA, and is found in lakes, rivers, creeks, and tributaries.<ref name="Strong and Whelan">Strong and Whelan (2019). "Assessing the diversity of western North American Juga (Semisulcospiridae, Gastropoda)". ''Molecular Phylogenetics and Evolution'', 136. (2019): 87–103. [doi: 10.1016/j.ympev.2019.04.009].</ref>

==Habitat==
''Juga plicifera'' can be found clinging to rocks or substrate in slow flowing streams, as well as in the muddy-sand bottoms of small and medium lakes with a preference for shaded sites.<ref name ="Rudy Jr. et al."/> It has been shown to like cool, clear water, though it has been noted to have a greater tolerance to siltation and slack water than some other members of the Juga genus (''Juga newberryi'').<ref name="Xerces">Foltz Jordan and Janicki (n.d.). [https://xerces.org/endangered-species/species-profiles/at-risk-aquatic-invertebrates/freshwater-snail "A freshwater snail"]. The Xerces Society.</ref>

==Ecology==
''Juga plicifera'' serves as an intermediate host for ''[[Biology:Nanophyetus salmincola|Nanophyetus salmincola]]''.<ref name="Adams 2006"/>

==Conservation==
''Juga plicifera'' is assessed as a vulnerable species in Oregon by [[Organization:NatureServe|NatureServe]]. Population in Washington do not have an assessed conservation status.<ref name="NatureServe"/>

[[File:Juga plicifera WIKI.jpg|200px|thumb|left|''J. plicifera'' observed in a stream in the Willamette Valley of Oregon]]
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==References==
{{Reflist}}

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[[Category:Semisulcospiridae]]



{{Sourceattribution|Juga plicifera}}