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Registry of World Record Size Shells : ウィキペディア英語版 | Registry of World Record Size Shells
The ''Registry of World Record Size Shells'' is a conchological work listing the largest (and in some cases smallest) verified shell specimens of various mollusc taxa. A successor to the earlier ''World Size Records'' of Robert J. L. Wagner and R. Tucker Abbott, it has been published on a semi-regular basis since 1997, changing ownership and publisher a number of times. Originally planned for release every two years, new editions are now published annually. Since 2008 the entire registry has been available online in the form of a searchable database. The registry is continuously expanded and now contains more than 20,000 listings and 55,000 supporting images.〔(Registry of World Record Size Shells ). wrs-shells.com. 〕〔Quiquandon, P. (16 March 2011). (Re: WRS for Cypraea carneola propinqua (f) Garrett, 1879? ) CONCH-L archives. 〕 Certain families of attractive shells (such as cones, cowries, marginellas, and murex) are particularly favoured by collectors. World record size shells (commonly indicated by the acronym 'WRS') of species in the most popular families are much sought after by some shell collectors, and can thus command high prices. Collections of such shells are exhibited at a number of specialist museums, including the Bailey-Matthews Shell Museum.〔Hoover, K. (28 January 2011). (Shell Museum Unveils New Exhibit of Record-Size Shells ). Ocean's Reach. 〕 Maximum and minimum sizes are also of interest to malacologists, and may be useful in delimiting closely related species.〔 As an extensive compilation of maximum shell sizes, the registry has found use as a data source for scientific studies. ==Overview==
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