| 词条 | Angular pebblesnail |
| 释义 |
| name = Angular pebblesnail | image = | status = DD | status_system = IUCN3.1 | status_ref = [1] | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia= clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha | superfamilia = Truncatelloidea | familia = Hydrobiidae | genus = Somatogyrus | species = S. biangulatus | binomial = Somatogyrus biangulatus | binomial_authority = Walker, 1906 | synonyms = }} The angular pebblesnail, scientific name Somatogyrus biangulatus, is a species of very small freshwater snail with an operculum, an aquatic operculate gastropod mollusk in the Hydrobiidae family. This species is endemic to the United States. Its natural habitat is rivers.[1] This snail is only located in specific freshwater cave environments and has not been extensively studied. References1. ^1 {{Cite journal | author = Cordeiro, J. | author2 = Perez, K. | last-author-amp = yes | title = Somatogyrus biangulatus | journal = The IUCN Red List of Threatened Species | volume = 2011 | page = e.T20352A9190181 | publisher = IUCN | date = 2011 | url = http://www.iucnredlist.org/details/20352/0 | doi = 10.2305/IUCN.UK.2011-2.RLTS.T20352A9190181.en | access-date = 10 January 2018}} {{Taxonbar|from=Q3175231}}{{Hydrobiidae-stub}} 4 : Molluscs of the United States|Somatogyrus|Gastropods described in 1906|Taxonomy articles created by Polbot |
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