"Fossil." . . "England." . . "Silurien." . . "Paléontologie Grande-Bretagne." . . "Silur." . . "From 405 to 425 million years ago" . . . . "Taxonomie." . . . . "The Silurian system : a catalogue of the fossils illustrated in part II" . . . . . . . . . "The Silurian system: founded on geological researches ... by Roderick Impey Murchison: a catalogue of the fossils illustrated in Part II"@en . . . . . . . . . . . "Catalogue of fossils in part II of Murchison's Silurian system"@en . "Catalogs and collections"@en . . . . . . "The Silurian system ... by Roderick Impey Murchison : a catalogue of the fossils illustrated in part II"@en . .