matter Whittington, Harold Wilde, Pat Wilkie, Lorna Williams, Henry Williams, Jimmy Steele Williston, Samuel Wendell Wittekindt, Hans Wolayer Resolution worm; affinity; confusion with; separation from; similarity to. See also chaetognath, nemertean  Yalden, Derek Young, G. C. Youngquist, Walter  Zaidan, Abe Zeigler, Willi; career; challenges; Devonian stratigraphy; ecological model; Kellwasser Event; SEM Zittel, Karl von
  SIMON J. KNELL , Professor of Museum Studies at the University of Leicester, is renowned for his innovative studies of fossils as scientific and cultural objects. Previously a museum geologist, Knell's publications include The Making of the Geological Society of London; The Culture of English Geology, 1815â1851; and The Age of the Earth: From 4004 BC to 2002 AD.