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Juga plicifera

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Juga plicifera, common name pleated juga,[2] and graceful keeled horn snail[3] is a species of small freshwater snail with an ovate and corneous operculum, ranging in size from 16mm to 35mm long.[3] The snail is dextrally coiled with about 15 whorls and 10 to 12 axial plicae on each whorl.[3] It is an aquatic gastropod mollusk in the family Semisulcospiridae.

Distribution

Juga plicifera is distributed throughout northwestern Oregon and Washington, USA, and is found in lakes, rivers, creeks, and tributaries.[4]

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.[3] 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).[5]

Ecology

Juga plicifera serves as an intermediate host for Nanophyetus salmincola.[1]

Conservation

Juga plicifera is assessed as a vulnerable species in Oregon by NatureServe. Population in Washington do not have an assessed conservation status.[2]

J. plicifera observed in a stream in the Willamette Valley of Oregon

References

  1. ^ a b Adams A. M. (2006). "Foodborne trematodes". In: Ortega I. R. (ed.) (2006). Foodborne parasites. ISBN 0-387-30068-6. page 178.
  2. ^ a b "Juga plicifera (I. Lea, 1838)". NatureServe Explorer, accessed 26 February 2013.
  3. ^ a b c d (2013). "Juga plicifera". In: Oregon Estuarine Invertebrates (ed. 2) (2013). Juga plicifera [1].
  4. ^ 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].
  5. ^ Foltz Jordan and Janicki (n.d.). "A freshwater snail". The Xerces Society.
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Juga plicifera: Brief Summary

provided by wikipedia EN

Juga plicifera, common name pleated juga, and graceful keeled horn snail is a species of small freshwater snail with an ovate and corneous operculum, ranging in size from 16mm to 35mm long. The snail is dextrally coiled with about 15 whorls and 10 to 12 axial plicae on each whorl. It is an aquatic gastropod mollusk in the family Semisulcospiridae.

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