H.M.S.O. for the British Geological Survey. 1984. Paleontology, Great Britain., Fossils . Geological Museum; British Geological Survey 20 x 21 cm. 36 pages : color illustrations. Encuadernación en tapa blanda de editorial ilustrada. Idioma Inglés. [John Thackray]. Cover title. Includes bibliographical references. English . ISBN: 0118842374; 9780118842372