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The first monograph of the British Silurian crinoids was published as early as 1839 and identified 14 species; over 120 are now known. The most productive horizon for both diversity of species and numbers of well-preserved specimens is the Much Wenlock Limestone Formation at Dudley (Lower Silurian, Wenlock), a site of international significance. Other localities have produced fewer, but different species. Herein, we introduce the most important crinoid localities in the Llandovery to Ludlow of the British Isles, and figure some of the many beautiful and significant specimens that they have produced.