Hemilienardia Shawnmilleri
''Hemilienardia shawnmilleri'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.MolluscaBase (2019). MolluscaBase. Hemilienardia shawnmilleri Wiedrick, 2017. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=980539 on 2019-06-28 Description Distribution This marine species occurs off Okinawa Island is the largest of the Okinawa Islands and the Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five main islands of Japan. The island is approximately long, an average wide, and has an .... References * Wiedrick S.G. (2017). Aberrant geomorphological affinities in four conoidean gastropod genera, Clathurella Carpenter, 1857 (Clathurellidae), Lienardia Jousseaume, 1884 (Clathurellidae), Etrema Hedley, 1918 (Clathurellidae) and Hemilienardia Boettger, 1895 (Raphitomidae), with the description of fourteen new Hemilienardia speci ...
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Sea Snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell. Definition Determining whether some gastropods should be called sea snails is not always easy. Some species that live in brackish water (such as certain neritids) can be listed as either freshwater snails or marine snails, and some species that live at or just above the high tide level (for example species in the genus '' Truncatella'') are sometimes considered to be sea snails and sometimes listed as land snails. Anatomy Sea snails are a very large gr